Extrinsic 174277-2

{
  "heartbeat": {
    "blockNumber": 174275,
    "sessionIndex": 2904,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x30a29ae82f292deafa1ab3d0999dc0ed6dc6af611ab0270d428a82151b82f744ffb389d5a21593a763587d3a173343aeaa0433a89e98657e3b549d903283d480"
}