{
  "id": "/web_apps/updating/",
  "name": "Web app for updating",
  "icons": [
    {
      "src": "basic-48.png",
      "sizes": "48x48",
      "type": "image/png"
    },
    {
      "src": "basic-192.png",
      "sizes": "192x192",
      "type": "image/png"
    }
  ],
  "start_url": "new_start_url_page.html",
  "display": "standalone"
}