{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/ImageObject",
  "title": "ImageObject",
  "properties": {
    "thumbnail": {
      "$ref": "#/components/schemas/ImageObject"
    }
  },
  "description": "Defines an image",
  "allOf": [
    {
      "$ref": "#/components/schemas/MediaObject"
    }
  ]
}