{
  "@context": "http://www.w3.org/ns/anno.jsonld",
  "id": "http://example.org/anno17",
  "type": "Annotation",
  "motivation": "commenting",
  "body": "http://example.net/comment1",
  "target": {
    "id": "http://example.com/video1",
    "type": "Video",
    "accessibility": "captions"
  }
}