Extrinsic 6947-1

{
  "heartbeat": {
    "blockNumber": 6945,
    "sessionIndex": 115,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xf8daf7d8ddc15a8e2172093e89ab4c8fa8fb3d20139e49189e669054b9f3ce31af132252824edf87477372d39b602a148e0691ad3bde1234a6d61ee0f8d43e8f"
}