docs: public byte[] getServiceData()
      {
          if (tc.isEntryEnabled())
              Tr.entry(tc, "getServiceData", this);
          if (tc.isEntryEnabled())
              Tr.exit(tc, "getServiceData", RLSUtils.toHexString(_serviceData, RLSUtils.MAX_DISPLAY_BYTES));
          return _serviceData;
      }