curl --request DELETE \
  --url https://{cluster}.voucherify.io/management/v1/projects/{projectId}/stacking-rules/{stackingRulesId}

{
  "code": 401,
  "message": "Unauthorized",
  "key": "unauthorized"
}

{
  "code": 402,
  "message": "Payment required",
  "details": "Your current plan does not include a feature required to perform this operation.",
  "key": "missing_required_feature"
}

{
  "code": 404,
  "message": "Resource not found",
  "details": "Cannot find project with id proj_5itvDU7"
}