{
    "short_name": "",
    "name": "",
    "icons": [
        {
            "src": "icon.png",
            "type": "image/png",
            "sizes": "192x192"
        }
    ],
    "start_url": "/?utm_source=homescreen",
    "background_color": "#fafafa",
    "theme_color": "#fafafa"
}