{
  "id": "/",
  "name": "",
  "short_name": "",
  "description": "",
  "start_url": "/",
  "scope": "/",
  "display": "standalone",
  "orientation": "portrait",
  "background_color": "#000000",
  "theme_color": "#000000",
  "lang": "en",
  "dir": "auto",
  "prefer_related_applications": false,
  "categories": [],
  "launch_handler": {
    "client_mode": "focus-existing"
  }
}