code: public byte[] getMessage() {
          byte results[] = new byte[6];
  
          results[0] = (byte)(reference >> 8);
          results[1] = (byte)(reference & 0xFF);
          results[2] = (byte)(andMask >> 8);
          results[3] = (byte)(andMask & 0xFF);
          results[4] = (byte)(orMask >> 8);
          results[5] = (byte)(orMask & 0xFF);
  
          return results;
      }
docs: getMessage -- return an empty array as there is no data for
  this request.
  @return message payload