Without being able to view the file content directly, I cannot tell you what is inside it.
If you can, try to see its contents. Alternatively, if you have a screenshot of the video, you can upload it here for me to describe. lv_0_20230307003157.mp4
The "lv_" prefix often indicates a video saved, recorded, or created using the TikTok app (local video). Without being able to view the file content