{
    "name": "Firebase Push Notifications",
    "short_name": "FCM Demo",
    "start_url": "/",
    "display": "standalone",
    "background_color": "#ffffff",
    "theme_color": "#4285f4",
    "icons": [
        {
            "src": "/icon-192x192.png",
            "sizes": "192x192",
            "type": "image/png"
        },
        {
            "src": "/icon-512x512.png",
            "sizes": "512x512",
            "type": "image/png"
        }
    ],
    "gcm_sender_id": "743031025109"
}