As an administrator with full privileges, you can edit specific service details for individual users in Control Hub.
From the customer view in https://admin.webex.com go to Users.
Select a user and click.
If you have multiple subscriptions, choose a subscription from the list.
Select the services to add or remove, and click Next.
If you assigned a Webex Meetings license, choose an account type to assign the user with for each Webex Meetings site, and click Save.