Upload a media file (image, video, audio, document, or sticker). Returns a mediaId that can be used when sending messages.
App API key (format: sk_live_app_* or sk_test_app_*) for app-level operations
Media uploaded successfully
Unique media ID
Original file name
MIME type of the file
File size in bytes
Type of media
image, video, audio, document, sticker Presigned URL for downloading (expires in 1 hour)
When the media will be deleted
When the media was uploaded
URL expiration time in seconds