Search User Grants sorting order does not work

hello team,

for : https://zitadel.com/docs/apis/resources/mgmt/management-service-list-user-grants

Can you please explain how the asc parameter works?
No matter I pass asc: ture / asc:flase the order is always same!

On which column it is sorting the response

Returns a list of user grants that match the search queries. User grants are the roles users have for a specific project and organization.