post Add Tracks to a Library Playlist, with error 'Unable to parse request body'

https://developer.apple.com/documentation/applemusicapi/add_tracks_to_a_library_playlist

I use this api with python, post data:

https://api.music.apple.com/v1/me/library/playlists/{id}/tracks
{'tracks': {'data': [{'id': '310730206', 'type': 'songs'}, {'id': '310730208', 'type': 'songs'}]}}

error: 'Unable to parse request body'

post Add Tracks to a Library Playlist, with error 'Unable to parse request body'
 
 
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