Extrinsic 65866-1

{
  "heartbeat": {
    "blockNumber": 65865,
    "sessionIndex": 1097,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x2c7497fa71fdc3e40cae6d671f34780f79b947c110bcd0d110727ea5e31f035654240525ec120edf831e9f23ba077ef515115228600b2503dfa906465f4a0283"
}