Extrinsic 9498-1

{
  "heartbeat": {
    "blockNumber": 9497,
    "sessionIndex": 158,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x44825987481e0bd03a68dfddbd5e5b08627f611ca4ab8391a238c03fc450e01958b2598103bea0d2bd4c4484912d7adb04d428211c642528031cedb5b182868f"
}