{
    "short_name": "",
    "name": "",
    "icons": [
        {
        "src": "",
        "type": "image/png",
        "sizes": "48x48"
        },
        {
        "src": "",
        "type": "image/png",
        "sizes": "96x96"
        },
        {
        "src": "",
        "type": "image/png",
        "sizes": "192x192"
        }
    ],
    "start_url": "/greenfieldpark/",
    "background_color": "",
    "theme_color": "",
    "display": "fullscreen"
}