What message does antony's servant bring in julius caesar?

The servant of Mark Antony arrives and falls prostrate before Brutus, telling Brutus that Antony wishes to meet with him to learn why Caesar had to die. Brutus promises Antony will not be harmed and tells the servant to bring him. Cassius tells Brutus that he still has misgivings about Antony even though he has promised to not hurt him.