Error 403 when creating a new user via API request

Hi,
I'm trying to create a new user using a Postman request, but I'm getting error 403 (Forbidden). I already tested the whoami request and was successful (status 200); my username has all the credentials to create a user, and I'm using the scope "users:userdata:create" when creating the token.

Is there something I am missing?

I really appreciate any help you can provide.

ps.: as a starting point I followed the instructions I found here: https://community.brightspace.com/s/article/Using-Postman-with-the-Brightspace-API

Screenshot 2023-05-25 140145_Post.png Screenshot 2023-05-25 140040_post.png
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