URLs from where thumbnails downloaded by my browser is:
https://192-168-1-200.e312242450334fa78b64a6b8401f7a93.plex.direct:32400/photo/:/transcode?width=240&height=360&minSize=1&upscale=1&url=%2Flibrary%2Fmetadata%2F3954%2Fthumb%2F1697397609%3FX-Plex-Token%3[token 1]&X-Plex-Token=[token 2]
https://192-168-1-200.e312242450334fa78b64a6b8401f7a93.plex.direct:32400/photo/:/transcode?width=240&height=360&minSize=1&upscale=1&url=%2Flibrary%2Fmetadata%2F4475%2Fthumb%2F1697399234%3FX-Plex-Token%3[token 1]&X-Plex-Token=[token 2]
Both completed with HTTP 200 status. First one returned random still (frame) from the movie, another one - correct thumbnail (poster)
