private List<ValidationStamp> readValidationStamps(JsonNode validationStampIds) {
   List<ValidationStamp> validationStampList;
   if (validationStampIds.isArray()) {
     List<Integer> ids = new ArrayList<>();
     validationStampIds.forEach(id -> ids.add(id.asInt()));
     // Reading the validation stamps and then the names
     validationStampList =
         ids.stream()
             .map(id -> structureService.getValidationStamp(ID.of(id)))
             .collect(Collectors.toList());
   } else {
     throw new AutoPromotionPropertyCannotParseException(
         "Cannot get the list of validation stamps");
   }
   return validationStampList;
 }