{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1441",
    "entityType": "User",
    "nonce": "0xa50ca8818c6a48bbd08238497d64fe14b0f92b6a0f219f114844c39a83ebf80b",
    "signature": "0xdec1abd9b25f47641dd050828ccebedc181acdc815b2d9cb8cb4e53735ec8bac2ee02efee15c2d8a279570890e514f023183f3c523548c647b52c292d5113f061b",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}