} else {
		serializerName := field.TagSettings["JSON"]
		if serializerName == "" {
			serializerName = field.TagSettings["SERIALIZER"]
		}
		if serializerName != "" {
			if serializer, ok := GetSerializer(serializerName); ok {
				// Set default data type to string for serializer
				field.DataType = String
				field.Serializer = serializer
			} else {

        final ResultData resultData = new ResultData();
        resultData.setTransformerName(getName());
        try {
            resultData.setRawData(generateData(responseData));
            resultData.setSerializer(dataSerializer::fromObjectToBinary);
        } catch (final Exception e) {
            throw new CrawlingAccessException("Could not serialize object", e);
        }

        dataMap = processAdditionalData(dataMap, responseData, document);
        normalizeData(responseData, dataMap);

        try {
            resultData.setRawData(dataMap);
            resultData.setSerializer(dataSerializer::fromObjectToBinary);
        } catch (final Exception e) {
            throw new CrawlingAccessException("Could not serialize object: " + responseData.getUrl(), e);
        }