{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "947613524",
    "entityType": "User",
    "nonce": "0x4209e297f871b133c986ffc51920ee59c5a9fdd9d25af6d0758d82fee192a817",
    "signature": "0x6bef69f8c50da44cb0463a4a46b3b449f8b0f2b72ffe58de3b7e94d2115ecee008f1fd284d6dce689c43c8be9233bb9dcdba5b437056db68fc254dc2ede1a04c1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}