{
  "name": "Best Channels Tube",
  "short_name": "Best Tube",
  "start_url": "/tube/",
  "display": "standalone",
  "background_color": "#0f0f0f",
  "theme_color": "#ff0000",
  "icons": [
    {
      "src": "https://via.placeholder.com/192x192/ff0000/ffffff?text=Tube",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "https://via.placeholder.com/512x512/ff0000/ffffff?text=Tube",
      "sizes": "512x512",
      "type": "image/png"
    }
  ]
}