Extrinsic 43158-1

{
  "heartbeat": {
    "blockNumber": 43157,
    "sessionIndex": 719,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xfeb97607b31f4849eca0dba8687deaae222f84267a44befd609c0489f541ac65d043b4396ddcd34c7c19cd7bf06758ca8a7ff79bcdb9bb067d5d4c1855b00284"
}