Extrinsic 13961-1

{
  "heartbeat": {
    "blockNumber": 13960,
    "sessionIndex": 232,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x2ce82e14396764520c8a3c75f319ee2a3d16f10f1d9f8957675a8339c536707536055c56663b05e4ecff8b22411d30d83650ed5dc0f6ef61d4253770018dd389"
}