Zones Notes
URI pattern: {scheme}://{host}{/prefix}/{identifier}/zone/{name}.json
{
"@id": "mandatory-uri",
"@type": "sc:Zone",
"label": "optional label",
"height": 1200, // mandatory
"width": 800, // mandatory
// other fields for zone manipulation
// in a service?
"viewing_orientation": 270,
// should be merged into spec's enumeration
"viewing_hint": "foldout",
"images": [ ... ],
"other_content": [ ... ]
}Then aggregate them in an AnnotationList referenced from other_content from the Canvas that it is associated with.