Upload media asset

curl --request POST \
  --url https://api.wazapin.com/v1/media/uploads \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form file='@example-file'

{
  "data": {
    "asset_id": "<string>",
    "asset_key": "<string>",
    "file_name": "<string>",
    "last_modified": "<string>",
    "media_kind": "<string>",
    "media_url": "<string>",
    "size_bytes": 123,
    "content_type": "<string>"
  }
}