{
    "name": "Yellow Messenger",
    "short_name": "Yellow Messenger",
    "start_url": "/pwa/v2/undefined/",
    "scope": "/pwa/v2/undefined/",
    "background_color": "#74b3f7",
    "theme_color": "#3367D6",
    "display": "standalone",
    "gcm_sender_id": "103953800507",
    "icons": [
    {
    "src": "",
    "sizes": "192x192",
    "type": "image/png"
    },
    {
    "src": "",
    "sizes": "512x512",
    "type": "image/png"
    }
    ]
    }