Extrinsic 88998-1

{
  "heartbeat": {
    "blockNumber": 88997,
    "sessionIndex": 1483,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xfaa2607bc01aff755c4997208ec555ce2be84a5a9cc13117421ea6244d8a20438ec15788f95df54016b44f5abf4cc19e42050f8463138e4982dabbc122c71489"
}