{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0x458ad3deec4ba14728be0a7ad0441061ccd62e5057568807a312787c30342c7c",
    "signature": "0xff889e6df76b58f1737841b407c5fff437179fa6360460cbe26b827a1a973b7a44e7bb1fd5a5b46423b084169818e9bd0a8ad94e3130ec3342bb304cfc03d28b1b",
    "signer": "0x6Ee7842A432b779E1Bf51F27B824fe86161cee6c",
    "userId": "408407824"
  }
}