Extrinsic 43776-1

{
  "heartbeat": {
    "blockNumber": 43774,
    "sessionIndex": 729,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x045d419279551e85d9b862fab0c3bb97ae065e93ad685de701b661d667aa3e4eb661c86ed05957d5d2bccfeb8f4c518ae09cdd5e7af9c7efba837154b0033581"
}