Bug Report Problem Alert follow tipeeestream and OBS

[Ekortal]

hi,
i have problem i don't see the picture on OBS when i make a test Follow Alert with tipeeestream.
The url is correct.
I use OBS 19.0.2 64bit on win 10 64bit
https://gist.github.com/ace948f1a7d539bd2ec6ad7b4ca5bd56