Extrinsic 175068-1

{
  "heartbeat": {
    "blockNumber": 175067,
    "sessionIndex": 2917,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xba6d5d89a6a0920c1f10c4d3b4f08f65966ddd5414a65b443e56410a44c005061af1e175e064f0c7d5cf15274b30c0af9e970554a16d2630c2de0e412f2bd786"
}