Extrinsic 13756-1

{
  "heartbeat": {
    "blockNumber": 13754,
    "sessionIndex": 229,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xd4cc1fb3875c96776b2c98954f9721672cdbdd4676cadc91f79b21ea90a8e34b11a239b0b1fcd63b99e08f81d124f153a5115909756c30a88398c5fad9352e87"
}