List all groups

Example response

{
  "data": {
    "groups": [
      {
        "id": "32d013f7-b6d8-46c8-99d3-016307fa66c0",
        "displayName": "Ubuntu 18.04 nodes",
        "description": "Documentation for the group",
        "query": {
          "composition": "and",
          "where": [
            {
              "objectType": "node",
              "attribute": "OS",
              "comparator": "eq",
              "value": "Linux"
            }
          ]
        },
        "nodeIds": [
          "109142a2-40eb-4e6d-84b4-7ebe3670474c"
        ],
        "groupClass": [
          "group_ubuntu"
        ],
        "properties": [
          {
            "name": "os",
            "value": "debian10"
          }
        ]
      }
    ]
  }
}