Different response when using JWT and swagger for analytics API

When I access with a JWT bearer token created by clicking sign-in in swagger

https://analytics.adobe.io/api/xxx/projects?locale=en_US&pagination=false&limit=10&page=0

i see my projects,  but when I access the same endpoint using a created JWT-token and an access token created by reading the article
https://medium.com/@prajwalshetty_17572/making-api-calls-on-adobe-i-o-adobe-campaign-standard-a7eb85370438

i only get the response
{"errorCode":"insufficient_access","errorDescription":"No access to Analysis Workspace granted","errorId":"dd690c9d-fe68-4f88-8ed6-aece188e6b0b"}