Extrinsic 77652-1

{
  "heartbeat": {
    "blockNumber": 77651,
    "sessionIndex": 1294,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x7ee1e3e8671d1348a77007a0ed6664519b089b94f4567ddc95a27a9ec3d3a804bdcb7cfafd607aa213656b270b416ac89e8a099dcd3907592085e16ef891a48c"
}