Extrinsic 24012-1

{
  "heartbeat": {
    "blockNumber": 24011,
    "sessionIndex": 400,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x96d8500b31ecd7556c1254b3aa04abeff5bdcb05fbfda6d0beffa46051953b56521c6c36f44cf7d62985532b07984c82e5c3cfb3b911d2fe326e62737eecba86"
}