chromium/chrome/test/data/webapps_integration/has_sub_apps/sub_app1/basic.webmanifest

{
  "name": "Sub App 1",
  "icons": [
    {
      "src": "48x48-blue.png",
      "sizes": "48x48",
      "type": "image/png"
    },
    {
      "src": "128x128-blue.png",
      "sizes": "128x128",
      "type": "image/png"
    },
    {
      "src": "192x192-blue.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "256x256-blue.png",
      "sizes": "256x256",
      "type": "image/png"
    }
  ],
  "start_url": "/sub_app1/basic.html",
  "scope": "/sub_app1",
  "display": "standalone"
}