OpenManage Enterprise 3.10 RESTful API Guide

{
  "@odata.context": "$metadata#Collection(GroupService.GroupHierarchy)",
  "@odata.count": 4,
  "value": [
    {
      "ParentGroupId": 0,
      "ChildGroupId": 64
    },
    {
      "ParentGroupId": 0,
      "ChildGroupId": 114
    },
    {
      "ParentGroupId": 0,
      "ChildGroupId": 2614
    },
    {
      "ParentGroupId": 64,
      "ChildGroupId": 19164
    }
  ]
}