{
  "short_name": "",
  "name": "",
  "icons":[{"src":"/android-chrome-192x192.png","sizes":"192x192","type":"image/png"},{"src":"/android-chrome-512x512.png","sizes":"512x512","type":"image/png"}],
  "start_url": "/?utm_source=homescreen",
  "background_color": "#fafafa",
  "theme_color": "#fafafa"
}