{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "402393",
    "entityType": "User",
    "nonce": "0x3c440a8096ebaf32d498d6d194febec1e863cd5ccb7dd77e772ff468d673903c",
    "signature": "0x9d39ae75e888eda71b09f6775ead6ed57b8510f0432cbd153ed9c0e6ef725dec37c7f9a924350c9a42b5ecdefc4d7ed4e6c8d0c2f58b8e692d754b47610608091b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}