{
  "short_name": "",
  "name": "",
  "icons": [{
    "src": "icon.png",
    "type": "image/png",
    "sizes": "192x192"
  },{
        "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"
}