{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347885",
    "entityType": "User",
    "nonce": "0xd2f001d841a7853d535b729efcd5581f1de1732cc9c44b16199c5f64be6e5b9d",
    "signature": "0x3656b6902c0d2153918971f44d5ebf47dea4dda0846e8f00877010648061804d565951e2795577c5a775f2f8e57903378bde228d38d1bceac9cbe64591e7cff21c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}