{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xb6cbdadee6a54aaf922ed659a390e9106396db758299bdb56414b315af8a27e6",
    "signature": "0xdd50fcf49613bf3ce19a76896dca79df9af8e6ffebada43fd2bf39cd12b171b76779d40da95a8922ef0de5b7579affece7cc5f48240191f4936bbf3dcdd23bc51b",
    "signer": "0xdD03ED106abBEF4982159500e32B8602B985a69B",
    "userId": "444965341"
  }
}