Extrinsic 13903-1

{
  "heartbeat": {
    "blockNumber": 13902,
    "sessionIndex": 231,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xaa854ed374e5f1631f4231c32e456f7027d0e000544fd7d810056ed0835dc51b3ef5ba02c2c2500209490a9ee78e077ee74dcdfa18fe90017a70b98382523e8c"
}