Putting it all together, it seems like this string could be related to a video (perhaps produced by Kawakita Saika) encoded in HEVC, in FHD resolution, and described or tagged in a way that's meant to be exclusive. Without more context, it's challenging to provide a more detailed interpretation.
This stands for Full High Definition. It means the picture is very sharp and clear. oae214 kawakita saika he bei cai hua fhdhevc exclusive