{
              "name": "",
              "short_name": "",
              "icons": [
                            {
                                          "src": "/android-chrome-192x192.png",
                                          "sizes": "192x192",
                                          "type": "image/png"
                            },
                            {
                                          "src": "/android-chrome-512x512.png",
                                          "sizes": "512x512",
                                          "type": "image/png"
                            }
              ],
              "theme_color": "#ffffff",
              "background_color": "#ffffff",
              "display": "standalone"
}