{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "370554049",
    "entityType": "User",
    "nonce": "0x685b195d19b2a81ff89a026eba0d54620b915a8eef1d5be519eb0ec1e2c1db62",
    "signature": "0x2612232ddecc79bf44e6456ffe71d2c57a3980ad221f3e57e8d2ef22adc7b91716153170ea6b79f5377ac47316775a6e9a6e2664c8818b5bf099d13340b6b20e1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}