curl --request POST \
  --url https://api.mn.co/admin/v1/networks/{network_id}/assets \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form 'asset_style=<string>' \
  --form asset_file='@example-file' \
  --form 'source_url=<string>' \
  --form input_type=123 \
  --form 'original_aspect_ratio=<string>' \
  --form 'metadata={}'

{
  "id": "1234",
  "type": "<string>",
  "url": "<string>",
  "name": "<string>"
}