{
  "metadata": {
    "@type": "http://schema.org/Game",
    "title": "Lesson 002",
    "author": "Video Lesson",
    "identifier": "https://example.app/id/lesson002",
    "language": "en",
    "modified": "2026-03-11T10:00:00Z"
  },
  "links": [
    {
      "rel": "self",
      "href": "$TESTBASEURL/grade1/lesson002/lesson002.json",
      "type": "application/opds-publication+json"
    },
    {
      "rel": "http://opds-spec.org/acquisition/open-access",
      "href": "lesson002.html",
      "type": "text/html"
    }
  ],
  "images": [
    { "href": "cover.png", "type": "image/png" }
  ],
  "resources": [
    {
      "href": "video.mp4",
      "type": "video/mp4"
    }
  ]
}