curl --request POST \
  --url https://api.thehaystack.ai/v2/bevly/media/create \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "itemId": 123,
  "externalUrl": "https://www.youtube.com/watch?v=abc123",
  "externalPlatform": "youtube"
}
'

{
  "mediaAsset": {
    "id": 123,
    "itemId": 123,
    "contentType": "video",
    "status": "created",
    "duration": 123,
    "muxAssetId": "<string>",
    "muxPlaybackId": "<string>",
    "variantTypeId": 123,
    "variantType": {
      "id": 123,
      "name": "Sermon Video",
      "contentType": "video",
      "indexable": true,
      "displayOrder": 123,
      "collectionId": 123
    }
  },
  "uploadUrl": "https://storage.example.com/upload/abc123?signature=xyz"
}