Just fyi; there is a ratelimit on the URL. When it’s requested too much, Plex thinks it’s being misused by multiple devices. The error you’ll get is 429 Limit of devices using codec exceeded. You can bypass this (to see what you’d normally get as a response) by replacing a character in the deviceId in the URL.
You’ll see this in my logs as well, because I keep trying to retry to play the video (too much).
