{
    "name": "Listing Checker",
    "short_name": "Listing Check",
    "start_url": "/widget/demo",
    "display": "standalone",
    "background_color": "#ffffff",
    "theme_color": "#cc1221",
    "icons": [
        {
            "src": "/icon-192.png",
            "sizes": "192x192",
            "type": "image/png"
        },
        {
            "src": "/icon-512.png",
            "sizes": "512x512",
            "type": "image/png",
            "purpose": "any"
        }
    ]
}