public bool SetMasterClient(int nextMasterId)
{
Hashtable newProps = new Hashtable() { { GamePropertyKey.MasterClientId, nextMasterId } };
Hashtable prevProps = new Hashtable() { { GamePropertyKey.MasterClientId, this.mMasterClientId } };
return this.OpSetPropertiesOfRoom(newProps, expectedProperties: prevProps, webForward: false);
}