Extrinsic 176372-1

{
  "heartbeat": {
    "blockNumber": 176370,
    "sessionIndex": 2939,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xc0981b7d57936a6c84013f7c785f55df0986f0b5a709632bb94fa19376711f6ec34d79a7bf52945a3ef04ae8223d85be77f65a9007eed5d5feb75b6c76fd0988"
}