{
  "name": "",
  "short_name": "",
  "start_url": "/",
  "id": "/",
  "display": "standalone",
  "background_color": "#ffffff",
  "theme_color": "#ffffff",
  "description": "",
  "icons": [
    {
      "src": "",
      "sizes": "192x192",
      "type": "image/png"
    }
  ]
}