Get all unassigned users for a study REST Endpoints

Users, Permissions and Roles/Users/Get all unassigned users for a study
The operations from the Users, Permissions and Roles/Users/Get all unassigned users for a study category.
v2.0
Method: get
Path: /ec-auth-svc/rest/v2.0/authstudies/{studyId}/users/unassigned