Dotnetnuke：在不同的层次结构中具有不同角色的用户？ （组/文件夹/子站点？）

I would like UserA to be an Administrator in dnn/SomeCountry/SomeDepartment/SomeArea But only be an Author in dnn/SomeOtherCountry/SomeOtherDepartment/SomeOtherArea I would like UserA to be an Administrator in dn