Extrinsic 47386-1

{
  "heartbeat": {
    "blockNumber": 47384,
    "sessionIndex": 789,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x3c4c28768d5c3e7a2ba1c818de156137bac73255f7f34efea84f796a764e330631676309f84c53c37bf44ca3959b316808031d19c8f76a0ef5a5a2dca51aab80"
}