{
  "lexicon": 1,
  "id": "my.spoor.content.media",
  "defs": {
    "main": {
      "type": "object",
      "key": "nsid",
      "required": [ "titles", "durationData", "lastUpdated" ],
      "properties": {
        "titles": {
          "type": "array",
          "minLength": 1,
          "items": {
            "type": "ref",
            "ref": "my.spoor.content.title"
          }
        },
        "durationData": {
          "type": "union",
          "refs": [
            "my.spoor.content.media#television",
            "my.spoor.content.media#book"
          ]
        },
        "posterImage": {
          "type": "blob",
          "accept": ["image/png", "image/jpeg"],
          "maxSize": 1000000
        },
        "lastUpdated": {
          "type": "string",
          "format": "datetime",
          "description": "Client-declared timestamp for when this activity was last updated"
        }
      }
    },
    "television": {
      "type": "object",
      "properties": {
        "episodes": { "type": "integer", "minimum": 0}
      }
    },
    "book": {
      "type": "object",
      "properties": {
        "chapters": { "type": "integer", "minimum": 0}
      }
    }
  }
}