[keycloak-user] Keycloak admin rest api - admin/realms

Hi, I need your help to test the following admin rest api. I was able to get the access_token using http://localhost:9090/auth/realms/master/protocol/openid-connect/token rest api. As a next step, I like to get the list of all realms for which I am trying to use the below api http://localhost:9090/auth/admin/realms I have got the access token but don't know how to test this using postman. Please help me on this. Thanks