{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xbae7642bad0441a701617b69b5044afc6e90d2c57e0c26dcd17909bd5edcf8ed",
    "signature": "0x8592cff6f451f93910dde3edbb4bbd3087bdbb90482933d2483874e94f8acde12111304adfd187652c5de2658731a49bd315c7848758bf6c8c30f55e9eab95c71c",
    "signer": "0xCD23b5ae760853367a8773a7E36005e3E44cbcbC",
    "userId": "208462349"
  }
}