Extrinsic 9648-1

{
  "heartbeat": {
    "blockNumber": 9647,
    "sessionIndex": 160,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xc00dfda31778a64a3e44394e8843a1eec1df4ffb660c29a3a35c7d467d13823975626e343085eba8027b1b01f3f6566d06308b6a7828a0aaeca689e634e70383"
}