{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951995708",
    "entityType": "User",
    "nonce": "0x162340db7e0ecf5ac510fe67eeede5a48b95526446c08d41796548be2fb58f0e",
    "signature": "0x1d21ac1d24828c015cca9c71e878313efc3fbf0ea19167a9fbbad322bb6c49f445d4e2d081a8cb5d626f54a9d576109e7b8ab047ca100243256921676d0e10ec1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}