Extrinsic 43871-1

{
  "heartbeat": {
    "blockNumber": 43869,
    "sessionIndex": 731,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xbcd6cca2f93921b9ef37607eecb48e68ed0779d3f6a8c84f3aa964623b15ed6c5cf6515bd657a0b9932c96f33721c15823d64873251ee8f55073de87ff3ab086"
}