final BigDecimal maxBid = getNumberIfPresent(tickerDataNode.path("max_bid").asText());
BigDecimal volumeTradeCurrency = null;
BigDecimal volumePriceCurrency = null;
if (tickerDataNode instanceof ObjectNode) {
final ObjectNode tickerDataObjectNode = (ObjectNode) tickerDataNode;
final Iterator<Entry<String, JsonNode>> tickerDataFields = tickerDataObjectNode.fields();
while (tickerDataFields.hasNext()) {
final Entry<String, JsonNode> tickerDataEntry = tickerDataFields.next();
if (tickerDataEntry.getKey().startsWith("vol_")) {
if (volumeTradeCurrency == null)
volumeTradeCurrency = getNumberIfPresent(tickerDataEntry.getValue().asText());