Error decrypting vp9 video

[sarvottam99]

System info

Operating System: Windows 11 Pro
Shaka Packager Version: packager version v3.4.1-8b52868-release

Issue and steps to reproduce the problem

Download this video of 1080p max birate using N_m3u8DL-RE
N_m3u8DL-RE "https://vhoichoi.viewlift.com/Renditions/20241226/1735202131685_tekka_movie/dash/1735202131685_tekka_movie.mpd" -H "User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:133.0) Gecko/20100101 Firefox/133.0" -H "Accept: /" -H "Origin: https://www.hoichoi.tv/" -H "Referer: https://www.hoichoi.tv/" --save-name tekka

Then decrypt it using -

Packager Command: packager input="tekka.mp4",stream=video,output=video.mp4 --enable_raw_key_decryption --keys key_id=06096b2215a6463f951b6e687b87c0cf:key=ff66b86ebabe06b2f3301eb3601d9ad9

I1227 18:13:42.343788 19820 demuxer.cc:94] Demuxer::Run() on file 'tekka.mp4'.
I1227 18:13:42.345109 19820 demuxer.cc:160] Initialize Demuxer for file 'tekka.mp4'.
E1227 18:13:47.820970 16856 packager_main.cc:628] Packaging Error: 8 (PARSER_FAILURE): Cannot parse media file tekka.mp4

What is the expected result?
What happens instead?

Video should get decrypted but the decryption fails.