Extrinsic 9283-1

{
  "heartbeat": {
    "blockNumber": 9282,
    "sessionIndex": 154,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x22133174d3c6c75bf4e89b18cd9cf3f8356936735252fedabd774b5a64662975ef63e275968db219fec34570694853b612d8d39cd1f3cebf3476b0511044b38a"
}