Extrinsic 43541-1

{
  "heartbeat": {
    "blockNumber": 43540,
    "sessionIndex": 725,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x727cae30ba8e3faa8a2485620410821c2f381f02b9cca82dcfdc2b88444f89092a9cd8d8c684dedbf6e3861ef24f60c37509cf48f03a35628345eb1d1ceeb785"
}