{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0xa76f041ed0495e9b51796333a6b706a1fb02dec9a4a00826611e6f0badb9fa61",
    "signature": "0xba6ba0d7399912d77b8df34da19ef298b26153935639895197b51e872d5d254a2d99334a962a33852e4464ba35fa9f44e4d4e94baf012f1aa36343b1f63aab721c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}