Extrinsic 73844-1

{
  "heartbeat": {
    "blockNumber": 73843,
    "sessionIndex": 1230,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x604060a2ae58684fe46e8c34e8d8d914625d4a6db7c3abae7a97736c3d483819611f6cb26a8abc223d267707a4d83cd6beac021163a71686fe75298eb0eb898d"
}