{
  "theme_color": "#000000",
  "background_color": "#000000",
  "icons": [
    {
      "purpose": "maskable",
      "sizes": "512x512",
      "src": "icon512_maskable.png",
      "type": "image/png"
    },
    { "purpose": "any", "sizes": "512x512", "src": "icon512_maskable.png", "type": "image/png" }
  ],
  "orientation": "portrait",
  "display": "standalone",
  "dir": "auto",
  "lang": "en-US"
}