Extrinsic 9976-1

{
  "heartbeat": {
    "blockNumber": 9975,
    "sessionIndex": 166,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xd4bef0bb2533fbdf1eae417b9fb918a6748d62d1547fae237c3ecae490412764a12bff31799ec47620ddfa5171702b7bf1f4f0f8aba988521f1fe8c826275c82"
}