Because this is a WEBRip, the frame rate and start times are generally standardized. If you download a subtitle that is slightly off, most media players (like VLC or MPC-HC) allow you to adjust the sync manually by pressing G or H (in VLC) to shift the text forward or backward.
If you are looking for the subtitle file for specifically timed for the WEBRip.x264-ION10 release, you can find it on several dedicated subtitle hosting sites. subtitle Goodnight.Mommy.2022.WEBRip.x264-ION10
If you tell me which you need or if you are having trouble extracting/loading the file into your player, I can give you more specific steps. Because this is a WEBRip, the frame rate
Common platforms where this specific "piece" (the .srt or .ass file) is usually available include: Because this is a WEBRip