public void Initialize()
{
var stream = Observable.FromEvent <PhotonNetwork.EventCallback, NetworkEventArgs> (
h => (e, c, s) => h(new NetworkEventArgs()
{
eventCode = e, content = c, senderId = s
}),
h => PhotonNetwork.OnEventCall += h,
h => PhotonNetwork.OnEventCall -= h
);
_context.SetEventStream(stream);
}