{
    "name": "SIGN",
    "short_name": "SIGN",
    "background_color": "#ffffff",
    "start_url": "/index.php",
    "display": "standalone",
    "icons": [{
        "src": "/assets/images/logo-96.png",
        "sizes": "96x96",
        "type": "image/png"
    }, {
        "src": "/assets/images/logo-144.png",
        "sizes": "144x144",
        "type": "image/png"
    }, {
        "src": "/assets/images/logo-256.png",
        "sizes": "256x256",
        "type": "image/png"
    }, {
        "src": "/assets/images/logo.png",
        "sizes": "512x512",
        "type": "image/png"
    }]
}