Actual versions of the video rarely contain useful metadata (EXIF/XMP), as they are usually compressed and stripped by social media re-uploads.
It is sometimes used as an asset in Alternate Reality Games (ARGs) or "Analog Horror" series to simulate a government or private archive of supernatural events. Safety and Metadata Note Dragon_2015.mp4
While the "2015" in the title suggests its supposed upload date, versions of this footage often circulate as "found footage" or hoaxes claiming to show a real dragon sighting. Actual versions of the video rarely contain useful