Extrinsic 176560-1

{
  "heartbeat": {
    "blockNumber": 176559,
    "sessionIndex": 2942,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x82b00e912a49049230baf4eaac59d516d611fe3a162271f5a6e7299592f99f33c3e5bbdab9d8c2f87b6f154b85c68ce39b4c9bbb5704732db3aa98307c05ee86"
}