unable to decrypt video from learnyst

[Clubhouse6]

I was trying to download a course which use learnyst

Souce: https://lm3gaza.learnyst.com/learn/home/morbil/section/369214/lesson/2284508?
m3u8: WARN : An unrecognized encryption method is detected, binary merging is automatically enabled

Command:

N_m3u8DL-RE "https://streaming-cdnv6.learnyst.com/v6/schools/153247/9eb5e1c1ec0b6d0b560b641594871075/bba1eb0b485cf1743081406663a45cd0/c7e7191eb0129af128aa2a5093a238e3/endf8f100f2c9991/sdrm/cbcs/audio_video/stream.m3u8?u=11306471&k=155769&l=2284508&q=0&f=1& t=0&p=0&m=1&Policy=eyJTdGF0ZW1lbnQiOlt7IlJlc291cmN lIjoiaHR0cHM6Ly9zdHJlYW1pbmctY2RudjYubGVhcm55c3QuY 29tL3Y2L3NjaG9vbHMvMTUzMjQ3LzllYjVlMWMxZWMwYjZkMGI 1NjBiNjQxNTk0ODcxMDc1L2JiYTFlYjBiNDg1Y2YxNzQzMDgxN DA2NjYzYTQ1Y2QwL2M3ZTcxOTFlYjAxMjlhZjEyOGFhMmE1MDk zYTIzOGUzLyo~dT0xMTMwNjQ3MSZrPTE1NTc2OSZsPTIyODQ1M DgmcT0wJmY9MSZ0PTAmcD0wJm09MSIsIkNvbmRpdGlvbiI6eyJ EYXRlTGVzc1RoYW4iOnsiQVdTOkVwb2NoVGltZSI6MTczODA5N jAwMX0sIkRhdGVHcmVhdGVyVGhhbiI6eyJBV1M6RXBvY2hUaW1 lIjoxNzM4MDA2MDAxfSwiSXBBZGRyZXNzIjp7IkFXUzpTb3VyY 2VJcCI6IjAuMC4wLjAvMCJ9fX1dfQ__&Signature=ev2Joaah ~TiwemisFII0Apv-zwty9DCg8Gzp9cgbCd~k9ix6V3ooABvNoahYljqTcZKnuWkQcF ZVkTqxvD6aDyHJ8tqAF8QDGQvG3FDF-xKOcHEwkW43VcYqlzRq2rChKpP6i4Svft8feGX0zVR2ex5IPHW EAgR069d1SxcIWe6choSZuT95kmejjjlziE0J9OrA3SzOsORqW X5l0Uk85Ds-3pOXtrD1mcBidXpjIWIG--7vifRUeXPjc~~2iyCPWB-YN2APYm8fzNLgCWgfv9T7r-KwcYUGTKcc~9FD4P-Pg-0h~B5CRdeMgNsV8lJOYh9BKeY~5bSrOKE8MB0slQ__&Key-Pair-Id=APKAJUVP3A3VHLDL5LAA" --header "User-Agent: Mozilla/5.0 (iPhone; CPU iPhone OS 14_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0.3 Mobile/15E148 Safari/604.1" --header "Referer: https://lm3gaza.learnyst.com/" --save-name "undecrypted" -M mp4

you can make a temp mail account to login and watch this test video

I have download video using the method posted on https://www.youtube.com/watch?v=kBz-x5Plha0
and I was able to get key using WidevineProxy2

 --key 9aaaac8633ae06067160a8dd72d0a3dc:796d32baa4edfa1d83d5daa929742712

but mp4decrypt and

--use-shaka-packager

was are not able to decrypt this video
any help is appreciated

[2nHxWW6GkN1l916N3ayz8HQoi]

https://www.swisstransfer.com/d/d786d4fe-3c1b-441c-84ba-0e50445bc131

[Clubhouse6]

https://www.swisstransfer.com/d/d786d4fe-3c1b-441c-84ba-0e50445bc131

Can you explain what did I do wrong?
I use this video as an example. I want to download a cource which use learnyst as backend

[2nHxWW6GkN1l916N3ayz8HQoi]

https://github.com/DevLARLEY/LearnystDownloader

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