{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35820",
    "entityType": "User",
    "nonce": "0x6506d826d57768f635e471be88aca89b9cff782f9d16363f9b6384f433e22456",
    "signature": "0xf223565dabe8781b74cffa74ed59a2dfff661d9706b9157e004200d504aae5a354ba74d969115a2e396c33ca5c845295157330096b25155e4412383a4c20d1601b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}