https://blog.faceutil.com/2022/10/14/%ea%b3%a0%ea%b5%ac%eb%a7%88-%eb%a7%88%ec%bc%93-digua-game-center-%e5%9c%b0%e7%93%9c-%ec%a4%91%ea%b5%ad-%eb%b8%94%eb%9e%99%eb%a7%88%ec%bc%93-%ec%b5%9c%ec%8b%a0%eb%b2%84%ec%a0%84-%ea%b3%a0%ea%b5%ac-2/