}
  private static void raw(Exchange campBXExchange) throws IOException {
    // Interested in the public polling market data feed (no authentication)
    CampBXMarketDataServiceRaw campBXspecificMarketDataService = (CampBXMarketDataServiceRaw) campBXExchange.getPollingMarketDataService();
    // Get the latest ticker data showing BTC to USD
    CampBXTicker campBXTicker = campBXspecificMarketDataService.getCampBXTicker();
    System.out.println("Last: " + campBXTicker.getLast());
    System.out.println("Bid: " + campBXTicker.getBid());
    System.out.println("Ask: " + campBXTicker.getAsk());
    // Get the latest order book data for BTC/USD
    CampBXOrderBook campBXOrderBook = campBXspecificMarketDataService.getCampBXOrderBook();
    System.out.println("Order book: " + campBXOrderBook);
  }