curl --request GET \
  --url https://{instance}.omniapp.co/api/scim/v2/groups \
  --header 'Authorization: Bearer <token>'

{
  "Resources": [
    {
      "id": "<string>",
      "displayName": "<string>",
      "members": [
        {
          "value": "<string>",
          "display": "<string>"
        }
      ],
      "meta": {
        "resourceType": "Group",
        "created": "2023-11-07T05:31:56Z",
        "lastModified": "2023-11-07T05:31:56Z"
      }
    }
  ],
  "itemsPerPage": 123,
  "startIndex": 123,
  "totalResults": 123
}