How to get admin data in rest api?

I added Admin relation as an author on the article collection.
but I am not able to get Author/admin data by get article REST API

System Information
  • Strapi Version: 4.15.0
  • Operating System: Windows 11
  • Database: MySQL
  • Node Version: 18.18.2
  • NPM Version: 9.8.1
  • Yarn Version: 1.22.19

How can I get Admin(Author) data in the article rest API?