{
    "name":"",
    "short_name":"",
    "icons":[{"src":"/android-chrome-192x192.png",
    "sizes":"192x192"
    ,"type":"image/png"},
    {"src":"/android-chrome-512x512.png",
    "sizes":"512x512",
    "type":"image/png"}],
    "theme_color":"#ffffff",
    "background_color":"#ffffff",
    "display":"standalone"
}