Financial analysts from TipRanks and Simply Wall St have closely tracked TME’s transition. Tencent Music (TME) | Official Site - 腾讯音乐

The specific file juq958720mp4 is often described in these stories as a "timestamped simulation." According to the lore:

The inclusion of "MP4" in the keyword reminds us of the format's dominance. As the gold standard for web video, the .MP4 format allowed popular media to move from the living room television to the smartphone screen. This mobility changed the nature of entertainment: Content is consumed on the go.

This appears to be a unique identifier or "slug" for a specific video file (likely in .mp4 format).