Extrinsic 6382-1

{
  "heartbeat": {
    "blockNumber": 6380,
    "sessionIndex": 106,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x42709c3bcc04778a4e7efc3354887e6206c5827b75d681f70eae6aff0bfef557cbf64949b137583d9d755feb0d7dd29b45ff7b59625f1e1981ac40de82c7b684"
}