{ "name": "Group Chatty", "short_name": "Group Chatty", "start_url": "/", "display": "standalone", "background_color": "#ffffff", "theme_color": "#3c3c3c", "icons": [ { "src": "/icon-192.png", "sizes": "192x192", "type": "image/png" }, { "src": "/brand-icon.png", "sizes": "512x512", "type": "image/png" } ] }