{   
    "description": "시그니처 라이브러리"    
    ,"display": "standalone"
    ,"name": "시그니처 라이브러리"
    ,"short_name": "시그니처 라이브러리"
    ,"start_url": "/"
    ,"icons": [{
        "src": "/icon_32.png"
        ,"sizes": "32x32"
        ,"type": "image/png"
    },{
        "src": "/icon_192.png"
        ,"sizes": "192x192"
        ,"type": "image/png"
    },{
        "src": "/icon_512.png"
        ,"sizes": "512x512"
        ,"type": "image/png"
    }]
}