NoRelatedSym noRelatedSym = new NoRelatedSym();
    noRelatedSym.set(new Symbol(symbol));
    tickerRequest.addGroup(noRelatedSym);
    tickerRequest.set(new MDReqID("123")); // any value
    tickerRequest.set(new SubscriptionRequestType(subscriptionRequestType));
    tickerRequest.set(new MarketDepth(0));
    addMDType(tickerRequest, MDEntryType.BID);
    addMDType(tickerRequest, MDEntryType.OFFER);
    addMDType(tickerRequest, MDEntryType.TRADE);