Since there is no public record of this specific filename in search results, "solid content" for this file would typically depend on where you found it. Here are the most likely possibilities for what it contains:
The filename appears to be a randomly generated or system-assigned string, common for files uploaded to private servers, cloud storage, or social media CDNs (Content Delivery Networks).
Many apps (like TikTok, Instagram, or Telegram) rename videos using alphanumeric strings when saving them to your device's local cache.
If you downloaded this from an unknown source, run it through VirusTotal before opening it.