Extrinsic 41500-1

{
  "heartbeat": {
    "blockNumber": 41498,
    "sessionIndex": 691,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xea5fef71ff2c8ad52bbea42504bfede3c520e5526c939835a4e34610ce2f7d754382ca527ad675cf9432527f9fcf568f59eed328357fd5d9e17589f625293e81"
}