curl --request POST \
  --url https://api.altostrat.io/radius/groups \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "group_name": "<string>"
}
'

{
  "id": "<string>",
  "group_name": "<string>",
  "user_count": 123,
  "check_attributes": [
    {
      "attribute": "<string>",
      "op": "<string>",
      "value": "<string>"
    }
  ],
  "reply_attributes": [
    {
      "attribute": "<string>",
      "op": "<string>",
      "value": "<string>"
    }
  ],
  "metadata": {},
  "tags": [
    "<string>"
  ]
}