{
          "theme_color": "#ffffff",
          "background_color": "#ffffff",
          "display": "standalone",
          "scope": "/",
          "start_url": "cafefi/",
          "name": "کافه فی",
          "short_name": "کافه فی",
          "description": "کافه فی", 
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                  "sizes": "192x192",
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