curl --request PUT \
  --url https://identity.nks.europe-west4.nscale.com/api/v1/organizations/{organizationID}/groups/{groupid} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "metadata": {
    "name": "The-A-Team",
    "description": "An elite commando unit."
  },
  "spec": {
    "roleIDs": [
      "64c46f16-43b1-495d-8ee3-040b8321050d"
    ],
    "userIDs": [
      "b0c0dc92-b123-410e-bad6-75a2265ca6e1"
    ],
    "serviceAccountIDs": []
  }
}
'

{
  "error": "access_denied",
  "error_description": "authentication failed"
}