ApiWrapper api = ApiWrapper.build(appId, language, websocketURL);

TickRequest request = new TickRequest("R_10");

api.sendRequest(request)
    .subscribe(
            response -> {
                System.out.printf("epoch: %S, price: %s", 
                    response.getTick().getEpoch(), responce.getTick().getQuote());
            }
    );