Extrinsic 66584-1

{
  "heartbeat": {
    "blockNumber": 66583,
    "sessionIndex": 1109,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x404fa169117e4ad9f1cb09c876bd41f3d04d2fb9f21abf274762c5cb4ba9e70b95c99511170aa60f90642e8c12cfa2cd1ff81d4353b05868a467fb12ccc47789"
}