{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41943",
    "entityType": "User",
    "nonce": "0xa59b9f4bfb51f52cabb153a757e35129eb75b12689db89adf73ee28a1b81d52c",
    "signature": "0x4e6cf994bbcfe629513286807c7ec1083089a9caf4b74fa1960b4a476751e8af184dbc6858ea5f613627a5cea177ef413ac4ecf00ebd7f4d9d162efe755c0ff91b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}