Since this string is commonly used by "repackers" (like FitGirl, DODI, or ElAmigos) to distribute the game via torrents or file-sharing sites, the "piece" you are likely looking for depends on what you need:
This specific repack is typically around 15 GB to 22 GB , depending on how much the files were compressed. Download SIFU Digital Deluxe Edition v1.5_3.330...
If your game isn't launching, you might be missing the "Steam Deck" fix or the specific online-fix needed for certain features. Since this string is commonly used by "repackers"