{
    "icons": [
        { "src": "https://www.fvsc.jp/images/android-icon-192x192.png", "type": "image/png", "sizes": "192x192" },
        { "src": "https://www.fvsc.jp/images/android-icon-512x512.png", "type": "image/png", "sizes": "512x512" }
    ]
}