{ "short_name": "LISTSERV", "name": "", "start_url": "/?INDEX", "display": "fullscreen", "theme_color": "#378ACC", "background_color": "#F7F7F7", "icons": [{ "src": "/archives/images/default_logo_listserv_128x128.png", "type": "image/png", "sizes": "128x128" }, { "src": "/archives/images/default_logo_listserv_144x144.png", "type": "image/png", "sizes": "144x144" }, { "src": "/archives/images/default_logo_listserv_152x152.png", "type": "image/png", "sizes": "152x152" }, { "src": "/archives/images/default_logo_listserv_192x192.png", "type": "image/png", "sizes": "192x192" }, { "src": "/archives/images/default_logo_listserv_512x512.png", "type": "image/png", "sizes": "512x512" }] }