Slot 71844

Epoch:
2245
Slot:
71844
Status:
Proposed Finalized
Time:
2025-02-13 16:59:48 +0000 UTC (27 day. ago)
Proposer:
prysm-geth-7
Block Root:
0x5bd02452532f3ec4763842a47e62b9a523f526037d8c7d37ee458d019885efd2
Parent Root:
0x4138e2c9d412fe1f08fe6849ab79d2a13ee59c5badf94cfc0042d1f1af8b50a3
State Root:
0x0cb714ad7289c0da1ae647ce83b05d3204543d8f54ff0238a1b23fc5241966d5
Signature:
0x9795e9deaf4adc0e0f020a97381b3e0ddc8341609895e5facdfdae976cfc2a75d120c199ca7908fa53f229d856e691ab0e45f5dbf94318df0741f52a11577e2389a150d34ce9d91f76f0953b4eaa64e815af49aae4b14a7007ef937f906ef040
RANDAO Reveal:
0xa342f857844110821633f9a905a143e57d7f0dd8d29302954997fbdf54cfa07e07796ff16f81abd484de2e473f626f350087313444fd7f166cf1acbc87a53ab99ed1e5cb1237d3fb4f59e470e56751aed9d842a02449ae290d4ec40011a5e940
Graffiti:
prysm-geth-7
Eth Data:
Block Hash:
0x1b60b6c9500355aa0ff7e1654482fea15eee29f2d52a25aeae859df953c0f7d4
Deposit Count:
0
Deposit Root:
0xd70a234731285c6804c2a4f56711ddb8c82c99740f207854891028af34e27e5e
Sync Aggregate:
Participation:
95.70 %
Bits:
10111111 11110111 11111101 11111111 11111111 11111111 11111111 11111111
11111111 11111111 11111111 11111111 11111111 11111101 11111111 11111110
11101110 11111111 11110111 11111111 11111111 11111111 11111111 11111111
11111111 11111111 11111111 11111111 11111111 11111111 11111111 11110111
10111111 11111011 11111111 11111111 11111111 11111111 01111111 11111111
10011111 11111111 11111111 11111111 11111111 11111010 11011111 11111111
11111111 11111111 11111111 11111111 11111111 11111111 11111111 10111111
11111101 11111110 11111111 11111111 11111110 11111111 11111111 11110111
Signature:
0xa7ccab364346344c2e8dd48270e9405cbd24f57973ee260a8d3bad3d581235ecf63c1c5217dae1a2225fed67c1f7b4f207ee3e6c122d0f02bf69ffbe1069d2a389c4ed53f036d88d78af47f1a3ba2823d2a16f199230d463b5ad14a01e208de4
Execution Payload:
Block Number:
65099
Block Hash:
0x740e87cd9e5b490604ca71d4285bbfff931d90f87c2e71d3232ce7ebf0e6f306
Parent Hash:
0x514a49c502c2005608fe16bd0f121d1c466cc189014835386147fae7a6e6367a
Fee Recipient:
0xf97e180c050e5Ab072211Ad2C213Eb5AEE4DF134
Gas Used:
149107
Gas Limit:
30000000
Base fee per gas:
7
Transactions:
3
Timestamp:
2025-02-13 16:59:48 +0000 UTC (27 day. ago)
Block Extra Data
؃�geth�go1.23.5�linux
Attestations:
8
Voluntary Exits:
0
Slashings:
0 attester & 0 proposer slashings
Deposits:
0
Withdrawals:
0
BLS Address Changes:
0

Showing 3 Transactions

# Hash From To Method Value Call Data
0
0xb8689104a2e1962893eac0593c5114e6c7e7ec01646996b3c3e020b7a01d22ed
0xfC7360b3b28cf4204268A8354dbEc60720d155D2
0xd27d57804F09A93989E290cf12Cb872c39AD2aD2 		call? 0 ETH 260 B
1
0x54341800f625284df8b41db82a06a30fa65ad2f5fe827443ecc8a5415f3c3344
0xd99Eb0DeBC8c9e8424e58dcD9881f954E3afF55a
0x6a32FB694A129E92797f962E44b289546ad0F0b6 		transfer 0 ETH
2
0x1ccfbef6964a60301f2d41ca60f5ccc8cb6dc0fbce180b8d129251ed05c39399
0x560Ef22E8ABc592AC4BE7867D792A3d2E3330D28
0xd99Eb0DeBC8c9e8424e58dcD9881f954E3afF55a 		transfer 0 ETH

Showing 8 Attestations

Attestation 0
Slot:
71843
Committee Index:
6 7 11
Aggregation Bits:
00000000 00000000 00000000 00000001 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00001000 00000000 00000000 00000000 00000000 00000000 00100000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 10000000 00000000
00000000 001
Included Validators:
Beacon Block Root:
0x9219d81d9ff3b975957d1449a25b4574e1c11fe75555f0eb74290ea74318c04e
Source:
Epoch 2244 (0xe72f530ecb07981c61c8ef0fe8b58b2f2a6f3aa879dca2b219b1f320c213c242)
Target:
Epoch 2245 (0x333388ba58dc4b5f546e706c191e08184a4d2dbe4a6a8ede05c6af85ebba7f38)
Signature:
0x9984d6582e2865a194f6cede21964e7f5a1b2810300fe7053e652ecf74039858a36742293686e6cbeb5862349fc30f060e48924bbadaa061ae43e1f037ef931ca727bf0783ffc55d07b340fd40dec0dc1cd56dc5682412d0ffc7dee14fc2e194
Attestation 1
Slot:
71843
Committee Index:
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Aggregation Bits:
00111111 11111111 11111111 11111111 11101111 11111111 11111111 11011111
11111111 11111111 11111111 11111111 11111111 10111111 11111111 11101111
01111111 11111111 11111111 11101111 11101111 11111111 11011111 01111111
11111111 11111111 11110111 11111111 11111111 11111111 11101101 01111111
11111111 10111111 11111111 11111011 11111111 11011111 11101101 11101111
11111111 11111111 11111111 11111111 10111101 11111111 11111101 11111111
11111111 11111111 11110111 11111111 11111111 11111111 11111111 11111111
11111111 11111111 11110011 11101111 11111110 11111111 10111111 11111111
11111111 11111110 11111111 11111111 11111111 11110111 11111111 11110101
11101111 11111111 11111101 11111111 11111111 11111111 11111111 11111111
11111111 01111111 11111110 11111111 11111111 11111111 11111111 11111111
11111111 11111111 11111111 11111111 11111111 11110111 11111111 11111111
11111111 11101111 11111111 01111111 11111111 01111111 11110011 11101111
11111111 11111111 11111111 11101111 11111111 11111101 11111110 11110111
11111101 11111111 11111111 11111111 10111111 11111111 11111111 11111111
11111111 11111101 11111111 11101111 11011100 11111111 11111111 11111111
11101101 11101101 01111111 11111111 11111111 11111111 11111111 11111111
11101111 11110111 11111111 11111111 11111111 11111111 11111111 11111111
11111111 11110111 11111111 11111111 11111111 11011111 11111111 11111110
11111111 11110111 11111111 11111111 11111111 01111111 11111011 11111111
11111111 01111111 11110111 01111111 11111111 11111111 10110111 11111111
11011111 11111111 11111111 11111111 11111111 11111111 11111111 11111111
11111111 11111111 11111111 11111011 10110111 11111111 11111111 11101111
11101111 11101101 11111111 11111111 11111111 11111111 11111111 11111111
11110111 11111110 01011111 11111111 11111111 11110111 11011111 01111011
11111111 10111111 11000111 11111111 11111111 11111111 11111111 11111111
11111111 01111111 11111111 11111001 11111111 11111111 11111111 11111101
11111011 11110110 11111111 11111111 01111111 10111111 11111111 11111111
11111111 11111011 11111111 11011111 11111111 11111111 11111111 11111111
11111101 11111111 11111011 11111111 11111011 11111111 11111111 11111101
11111111 01111111 11111111 11111011 11011111 11111111 11111111 11111111
11111111 11111111 11111111 11111111 11111111 11111111 11111111 01111011
11111111 11111111 11111111 11101111 11111101 11111111 11111111 11111111
11111111 11011010 11111111 11111011 11111111 01110110 01110110 11111110
01111111 11111111 11111111 11101111 11111111 11111111 11111111 11101111
Included Validators:
Beacon Block Root:
0x4138e2c9d412fe1f08fe6849ab79d2a13ee59c5badf94cfc0042d1f1af8b50a3
Source:
Epoch 2244 (0xe72f530ecb07981c61c8ef0fe8b58b2f2a6f3aa879dca2b219b1f320c213c242)
Target:
Epoch 2245 (0x333388ba58dc4b5f546e706c191e08184a4d2dbe4a6a8ede05c6af85ebba7f38)
Signature:
0x83d605607e2cd5082ac85f12916df422b62d50fa75ec582c828eab5f85e8a83fb25fe8c1d2fa84f0a1c58fb17739b9300111cad411123889cf0871296c4455674d5f666b40aec4a5d383b1a71c1ffed5f940cb1beaf8c47c75d183418753aafb
Attestation 2
Slot:
71842
Committee Index:
0 1 2 3 7 8 10 11 13 14
Aggregation Bits:
00000000 00000000 00000000 00000001 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00100000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00010000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000001
00000000 00000000 00010000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00100000 00000000 00000000 00000000 00000000 00000100 00000000 00000010
00000000 00000000 00000000 00000000 00000001 00000000 00000000 00000000
01000000 00000000 00000000 00000000 00000000 00000000 00000000 00000001
00000000 00000000 00000000 00000000 00000001 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 01000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000100 00000000 00000000 00000000 00000000 00000100 00000000
01000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 10000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 000000
Included Validators:
Beacon Block Root:
0x8233249d2f865391f49b49195a896e677293264951d89b3d9ee1515f206bdde3
Source:
Epoch 2244 (0xe72f530ecb07981c61c8ef0fe8b58b2f2a6f3aa879dca2b219b1f320c213c242)
Target:
Epoch 2245 (0x333388ba58dc4b5f546e706c191e08184a4d2dbe4a6a8ede05c6af85ebba7f38)
Signature:
0x9769cc455dda2ff9b0b444385f3ce6398d173868b29bcbef539864bc5f4db3febd5bde9574edaf7ad35a4f9f5204c44d03638726adf29b09680707b380deb55a9424d63085cc8b335029f5c6720ad7f6fd2c39d534e160a209a9bd0986c161f4
Attestation 3
Slot:
71842
Committee Index:
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Aggregation Bits:
01110111 11111111 11111111 11101110 10111111 11111111 11111101 11111101
11111111 11110111 11111111 11111111 11111111 11111111 11111111 11111111
11111111 11110011 11111101 11111111 11111111 11111111 11111111 11110111
11011111 11110101 11001010 11111111 11110111 11111111 01111111 11111111
11111011 11111111 11011111 11111111 11101111 11111111 11100111 11111111
11111011 11111111 11111011 11111111 11111110 11111111 11111011 01110110
11111111 11111111 11101111 11101111 11111111 11111111 11111111 11111111
11111111 11111111 11110111 11111111 11111110 11111111 11110111 11111111
11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111111
11111111 11111111 11111111 11111111 11111111 11111111 11111111 11111100
10111111 11111111 10111111 11111011 11111111 11111111 10111111 11111111
11111111 11110111 11111111 11111111 11111111 11111111 11111111 10111111
01111111 11111111 11111111 11111111 11111111 11111011 11111111 01111111
11111011 11111111 11110111 11111111 11111111 11111111 11101111 11111110
11111111 01111110 11111111 01111111 11111111 11111111 11111111 11111111
11111111 11111111 11111111 11111111 11111111 11011111 11111111 11111111
11111010 11111101 11111111 11111111 11111111 11111111 11111111 10111111
11111111 11011111 11111110 11101111 11111111 11101111 11101111 11110110
11111111 11111011 11111011 11111111 11101011 11111111 11011111 11111111
11111111 11111111 11011111 01111111 11111111 11111111 11111101 10110111
11111111 11001110 11111110 10111110 10111111 11111111 11111111 11111111
11011111 11111110 11111111 10111111 11101111 11111111 10111110 11111111
11111111 01111111 11111011 11111110 11111111 11111111 10111111 11111111
11111111 11111111 11111111 11110111 11111111 11111111 11111111 11111111
11111111 10111111 11111111 11111111 11111101 11111111 11111111 11111111
11111011 10111111 11111111 10111111 11111111 01101111 10111111 11111111
11111111 01111111 11111111 11111111 11111111 11111111 11111111 11111111
11111111 11101111 11111111 11111111 01100111 11111111 11111111 11111111
11111111 01111111 11110111 11111111 11111111 11101110 11111111 11111111
11111101 11101111 11111111 11111111 11111111 11111111 11101111 11111111
11111111 11100111 01111101 11111011 11111111 11011111 01011111 11111111
11111111 11111111 01111111 11111111 11111111 11111101 10111111 10111111
11111111 11110111 11101111 11111111 11111111 11111111 11011111 11111111
11111111 11111001 11111111 11111011 11111111 11111111 11101111 11101111
11111111 11111111 11111111 11010110 11111110 11111011 01111111 11111111
1
Included Validators:
Beacon Block Root:
0x9219d81d9ff3b975957d1449a25b4574e1c11fe75555f0eb74290ea74318c04e
Source:
Epoch 2244 (0xe72f530ecb07981c61c8ef0fe8b58b2f2a6f3aa879dca2b219b1f320c213c242)
Target:
Epoch 2245 (0x333388ba58dc4b5f546e706c191e08184a4d2dbe4a6a8ede05c6af85ebba7f38)
Signature:
0x8ac18e8ff08fe6fb8147810742d9a6903cd5792b2d1aad4af55941adc45c2b8b38b780972ecfffa7fe3b2bda089f4550005f805e7866c43483d7c11ec57ba7cbec9cce5ece00250db732bdce4f8d3f1c86b6b262386ddb575724e5dac80089c3
Attestation 4
Slot:
71842
Committee Index:
4 6 12
Aggregation Bits:
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000001 00000000 00000000
00000000 00000000 00000000 00100000 00000100 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00001000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00100000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 000
Included Validators:
Beacon Block Root:
0x4d0b6e1030b960dc9432f3724235468c9e1033d2611730946f92555aaf800bda
Source:
Epoch 2244 (0xe72f530ecb07981c61c8ef0fe8b58b2f2a6f3aa879dca2b219b1f320c213c242)
Target:
Epoch 2245 (0x4d0b6e1030b960dc9432f3724235468c9e1033d2611730946f92555aaf800bda)
Signature:
0x84a5dc46cde7a2046406189ea664d5acc24b5c31c3eb47c7861b9b58f73824d770bb5c81b9210692a962bf2e47afe7fc0a780f68af986f7a7ba9621239aaec8333f0bd912ffed70d113beb568932dacd00e5a3e42a4a3d67dedd765efe9675de
Attestation 5
Slot:
71841
Committee Index:
0 1 6 7 9 11 12 14 15
Aggregation Bits:
00010000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000010 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000001 00101000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 01000000 00000000 00000000 00000000 00000000 10000000 10000000
00011000 00000000 00000000 00000000 10000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 01000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000010
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 10000000 00000000 00000000 01000000
10000000 00000000 00000000 00000000 00000000 10000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00100000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000001
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 000
Included Validators:
Beacon Block Root:
0x333388ba58dc4b5f546e706c191e08184a4d2dbe4a6a8ede05c6af85ebba7f38
Source:
Epoch 2244 (0xe72f530ecb07981c61c8ef0fe8b58b2f2a6f3aa879dca2b219b1f320c213c242)
Target:
Epoch 2245 (0x333388ba58dc4b5f546e706c191e08184a4d2dbe4a6a8ede05c6af85ebba7f38)
Signature:
0x89464104685efe00d9cb06f0a502aa20c553d734fedfce2f3b2202661f3c82a16e48ceaafca78a5106bda60584bedc9914b296e0ced3a156e079f8b677a2b009d55ae1f660998fe797a55130b1041f51f937f3bfb3ddb0c35945e09b10de10e5
Attestation 6
Slot:
71841
Committee Index:
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Aggregation Bits:
11101111 11111110 11111011 11111011 11111111 11111011 11111111 10111111
10111110 11011111 11111101 11111111 11111111 11111011 11111111 11111100
11110111 11111011 11111101 11111111 11111111 11111111 11111110 11111111
11111111 11111111 11111111 11111111 11111110 11010111 11111111 11111111
11111111 11110111 11111111 11111111 11001111 11111111 11111111 11111111
11111111 10111111 01111111 01111111 11111101 11111111 11111101 11111111
11111111 10111101 11111111 11111111 11111111 01111111 11111111 11111111
11111011 11111111 11111101 11111011 11111111 11111111 11111111 01111111
11111111 11111111 11011111 11111101 11111111 11011101 11111111 11110111
11111111 11111111 11111101 11111011 11111111 11111111 10111011 11111111
11111111 11101111 11111111 11111111 01111011 01111101 11111111 11011011
11111110 11111111 11111111 11111101 11101111 11111110 11111110 11110110
11111111 01111111 11111110 11111111 11101110 11111101 10111111 11111111
11111111 11110111 01111111 10111011 01111100 11111111 11110111 11111111
10111111 11111111 11111011 01101111 11111111 01111111 10111111 10111110
11111110 11111111 11001111 11111111 11111111 01111110 11111010 11111111
11111111 11111111 11111101 11111111 11111111 11111111 11111111 11011111
01111111 11110111 11111011 11111111 11111111 11111110 11111111 11111111
11111111 11111110 11111111 10111111 11111111 11111011 11111110 11101111
11111111 11111111 11111111 11101111 11111111 11110111 00111111 11111111
10110111 11111101 11111111 11111111 11111111 11111111 11111111 11111110
01111111 11111111 10111111 01111111 01111011 11011111 11111111 11111111
01111111 11011111 11111111 11101111 11111110 11111011 11111111 11111101
11111111 11111011 11110111 11111111 11111111 11111111 11101111 11111111
11111111 11111111 11011011 11110111 11111011 01111111 11111101 11111111
10111111 11111110 01111101 11101111 10111111 11111111 11111111 11111101
11010111 11111111 11111111 11111011 10111111 11111011 11111011 11111111
11111011 11111110 11111111 11111110 11101110 11111101 11111111 11111110
11111111 11111111 11111111 11111111 11111011 11111111 10111111 11111111
11111111 11111111 11111101 11111111 01110111 11111101 11111011 11100111
11111111 11110111 11111011 11011111 11101101 11111111 11011110 01111111
11111111 11111111 11111110 10111111 11111110 11011101 11011111 11111111
11111111 11111111 01111111 11111111 11111111 01111111 11111111 01111111
11111111 11111111 11111111 11111101 11111111 11111111 11111111 11111011
11111111 11111111 11111111 11001111 11111111 11111111 11111111 11111111
1
Included Validators:
Beacon Block Root:
0x8233249d2f865391f49b49195a896e677293264951d89b3d9ee1515f206bdde3
Source:
Epoch 2244 (0xe72f530ecb07981c61c8ef0fe8b58b2f2a6f3aa879dca2b219b1f320c213c242)
Target:
Epoch 2245 (0x333388ba58dc4b5f546e706c191e08184a4d2dbe4a6a8ede05c6af85ebba7f38)
Signature:
0xa65d0cd38046a88ba35ce6666a7df85d733c200f0e999d5ae7b28d44ed5ff16781622a33b263545d3b97e72a8070fdb302b7f44ced3da754d003e16d5eba9405b2bdf890d4493c1b29021a659b330807eda0b76db05c088410e4409b6635df4e
Attestation 7
Slot:
71841
Committee Index:
2 3 6 14
Aggregation Bits:
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
01000000 00000000 00000000 00000000 00000000 00000010 00000000 00000000
00000000 00000000 00000000 00000000 10000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
10000000 01000000 00000001 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00100000 00000000 00000000 00000000 00000000 00000000 10000000
00000000 000011
Included Validators:
Beacon Block Root:
0x4d0b6e1030b960dc9432f3724235468c9e1033d2611730946f92555aaf800bda
Source:
Epoch 2244 (0xe72f530ecb07981c61c8ef0fe8b58b2f2a6f3aa879dca2b219b1f320c213c242)
Target:
Epoch 2245 (0x4d0b6e1030b960dc9432f3724235468c9e1033d2611730946f92555aaf800bda)
Signature:
0x8a6163c7ef950dd621b927a13834ede477d72571e3a6cd598d6b8b7483236c4c04bfb926133fec603f12038d44d5501801a762e84e9bc2522229194f8dd1f5a802faa1a08d4c1d1eb73a7dbebde8a2cf9ccf0685ae2aacd8dcfc5cbfdbd3c5a7

Showing 2 Blob sidecars

Blob Sidecar 0
KZG Commitment:
0xa1aefda279ea740b5a76f66868d2194a5db99690f57c874e84926f6b140f211f14c78940f3c7e7119db860432d897327
Load Blob Data
Blob Sidecar 1
KZG Commitment:
0xb8a4294fdd24b97a7981f9137291769e13a1fc8f65b5960a420a4856e1008ceded696e55f4525d67863ab25f6d39c054
Load Blob Data

Download Block Data

Signed Beacon Block Header

Download as SSZ Download as JSON

Signed Beacon Block

Download as SSZ Download as JSON