Extrinsic 44483-1

{
  "heartbeat": {
    "blockNumber": 44482,
    "sessionIndex": 741,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x709680a3ab034166dcc83bab963932b66a6914240b6b4e7eef1086acd3bd7f429dd51314ca822718f3205d5499ee7402e987e8a483a632b9fb8f270f9890b98a"
}