{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x2a3da726067ea7e36f52bb47c224fab56200d4efa59ca1e6c60c499f05839ebc",
    "signature": "0xeb7b57d5f76b5000ec8b38b3f2e1ee6eb960204fb14f023b69ed37db868af4e33fef9b80fc9140df203f4a204a70deccbfe5416c6a921148d6e3701ea15f69f41c",
    "signer": "0xCa890ba09b096164ab040247D3eb511DD5cC5f51",
    "userId": "489821062"
  }
}