How to stream fmp4 websocket?

Question

fmpeg

The problem is that I get in each chunk from ffmpeg xmoof or dmoof or |moof, but it should be just moof, I use -f mp4 -movflags frag_keyframe+default_base_moof -reset_timestamps 1 -frag_duration 1000000, what is wrong, what parameters can be used to to avoid this, MSE in the browser does not play xmoof, only moof dmoof or |moof, the solution to the problem lies explicitly in the ffmpeg parameters