{
  "short_name": "",
  "name": "",
  "icons": [{
        "src": "/android-chrome-144x144.png",
  "sizes": "144x144",
  "type": "image/png"
  }],
  "start_url": "/?utm_source=homescreen",
  "theme_color": "#ffffff",
  "background_color": "#ffffff",
  "display": "standalone"
}