curl --request PUT \
  --url https://identity.nks.europe-west4.nscale.com/api/v1/organizations/{organizationID}/projects/{projectID} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "metadata": {
    "name": "my-project"
  },
  "spec": {
    "groupIDs": [
      "ddde69ef-bb52-4815-9e9e-aed856c6057f"
    ]
  }
}
'

{
  "error": "invalid_request",
  "error_description": "request body invalid"
}