curl --location --request GET 'https://api.spotify.com/me/following/contains?type=&ids=' \
--header 'Authorization;'
[
true
]
artist
or user
.ids=74ASZWbe4lXaubB36ztrGX,08td7MxkoHQkXnWAYD8d6Q
. A maximum of 50 IDs can be sent in one request.user-follow-read
scope.