Manifest in question

gistfile1.txt

{
  "@context": [
    "http://www.w3.org/ns/anno.jsonld",
    "http://iiif.io/api/presentation/3/context.json"
  ],
  "type": "Manifest",
  "id": "http://localhost:3333/concern/generic_works/9019s2443/manifest",
  "label": "Generic Bunny",
  "metadata": [
    {
      "label": {
        "@none": [
          "Title"
        ]
      },
      "value": {
        "@none": [
          "Generic Bunny"
        ]
      }
    },
    {
      "label": {
        "@none": [
          "Creator"
        ]
      },
      "value": {
        "@none": [
          "Adam"
        ]
      }
    },
    {
      "label": {
        "@none": [
          "Keyword"
        ]
      },
      "value": {
        "@none": [
          "bunnies"
        ]
      }
    },
    {
      "label": {
        "@none": [
          "Rights statement"
        ]
      },
      "value": {
        "@none": [
          "http://rightsstatements.org/vocab/InC/1.0/"
        ]
      }
    }
  ],
  "rendering": [],
  "items": [
    {
      "type": "Canvas",
      "id": "http://localhost:3333/concern/generic_works/9019s2443/manifest/canvas/fn106x926#",
      "label": "big_buck_bunny.mp4",
      "items": [
        {
          "type": "AnnotationPage",
          "id": "http://localhost:3333/concern/generic_works/9019s2443/manifest/canvas/fn106x926#/annotation_page/65c39f21-ae12-4733-b328-58610036de9d",
          "items": [
            {
              "type": "Annotation",
              "motivation": "painting",
              "body": {
                "id": null,
                "type": "Video",
                "height": 360,
                "width": 640,
                "duration": 60.095
              },
              "target": "http://localhost:3333/concern/generic_works/9019s2443/manifest/canvas/fn106x926#"
            }
          ]
        }
      ],
      "width": 640,
      "height": 360,
      "duration": 60.095
    }
  ],
  "structures": [
    {
      "type": "Range",
      "id": "http://localhost:3333/concern/generic_works/9019s2443/manifest/range/r0e715798-60ed-4972-a70e-4a129c044ec0",
      "label": {
        "@none": "Generic Bunny"
      },
      "behavior": "top",
      "items": [
        {
          "type": "Range",
          "id": "http://localhost:3333/concern/generic_works/9019s2443/manifest/range/rbe5f01da-2bb9-4b6f-ab50-2c1d4f44617c",
          "label": {
            "@none": [
              "big_buck_bunny.mp4"
            ]
          },
          "items": [
            {
              "type": "Canvas",
              "id": "http://localhost:3333/concern/generic_works/9019s2443/manifest/canvas/fn106x926#t=0,"
            }
          ]
        }
      ]
    }
  ]
}