Extrinsic 37963-1

{
  "heartbeat": {
    "blockNumber": 37961,
    "sessionIndex": 632,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xacd7c59e6e587228a37ef1e47c73b3636a6275d06b64b421016f5c7c4b589673b64b83100a21285d25effcc22b9dfb8c02d218cd1d497fd7c8da1cb56d31568c"
}