Extrinsic 179370-1

{
  "heartbeat": {
    "blockNumber": 179368,
    "sessionIndex": 2989,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x5a2cf4ec6d5fb330ff63732a601c0489d204c96a17c843e7901a6b15c78eae3685c5a65f12727df0fb68e3516cfa5bc68c55b6cc79fd45daa1dd50105a670982"
}