{
   "$schema": "http://json-schema.org/draft-07/schema#",
   "title": "WADO-RS RetrieveMetadata",
   "description": "http://dicom.nema.org/medical/dicom/current/output/html/part18.html#sect_6.5.6",
   "type": "object",
   "properties": {
      "studyInstanceUID": {
         "type": "string"
      },
      "seriesInstanceUID": {
         "type": "string"
      },
      "sopInstanceUID": {
         "type": "string"
      }
   },
   "required": [ "studyInstanceUID" ],
   "dependencies": {
      "sopInstanceUID": { "required": ["seriesInstanceUID"] }
   }
}