Extrinsic 34051-1

{
  "heartbeat": {
    "blockNumber": 34049,
    "sessionIndex": 567,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xa0c408fddd2cf61cd5bd9224d6e96c83b3f6243130b4014ad6566c76c13ad367354139e7ecf6020c460e8daf64458d6c13c1e5f0ed6a75caf766be188823458c"
}