Extrinsic 22873-1

{
  "heartbeat": {
    "blockNumber": 22871,
    "sessionIndex": 381,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x8459b845ed7183449d8af33e3a1816fbf4a68ebf1201b60cc0af2794bd9e8d2a12a84e9e6be04706fcfe771a75885076019334cc42be944e7a686164c08e588e"
}