{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0xedccb9a26ad2d220abd34e75257d104956ce80ea8325807bb0ba039b9aa963c3",
    "signature": "0x4e5f03ff22bacc6e25db7d0ad0b41d1656b6727824ab0cec02fe91c39411e9cf3a80cb12704ae8cf8875460870464b8ac235589fa005dde60c29c30bdef3ca921b",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}