properties:
  bbox:
    items:
      type: number
    oneOf:
    - maxItems: 4
      minItems: 4
    - maxItems: 6
      minItems: 6
    type: array
  crs:
    default: http://www.opengis.net/def/crs/OGC/1.3/CRS84
    enum:
    - http://www.opengis.net/def/crs/OGC/1.3/CRS84
    - http://www.opengis.net/def/crs/OGC/0/CRS84h
    format: uri
    type: string
required:
- bbox
type: object