{
                                        "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"
                                    }