Extrinsic 55844-1

{
  "heartbeat": {
    "blockNumber": 55843,
    "sessionIndex": 930,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x5821c9169d568488d4013abdc7221e7040bc245ffd798905a685c8f68ce25e590a9eeda2bcb4efda8ef657fe13d5fbbd2aa4c9c4061c5bbde7506a8704aaf98e"
}