curl --request POST \
  --url http://localhost:6699/api/v1/media/metadata \
  --header 'Content-Type: application/json' \
  --header 'X-License-Key: <api-key>' \
  --data '
{
  "cache_dir": "/Users/me/JumperAnalysis",
  "media_paths": [
    "/Videos/interview.mp4",
    "/Videos/photo.jpg",
    "/Audio/voiceover.mp3"
  ]
}
'

{
  "media_properties": {}
}