.key(Category.DESCRIPTION).value(getDescription().getValue())
.key(Category.PARENT_KEY_STR).value(getParentKeyStr())
.key(Category.IMAGE_BLOB_KEY).value(getImageBlobKey());
value = addAdditionalPropertiesToJson(value);
String string = value.endObject().toString();
return string;
} catch (JSONException e) {
throw new RuntimeException(e);
}