* (DWORD) Clan tag
* (STRING) Clan name
* (STRING) Inviter
*/
int cookie = is.readDWord();
int clanTag = is.readDWord();
String clanName = is.readNTString();
String inviter = is.readNTString();
ClanInvitationCookie c = new ClanInvitationCookie(this, cookie, clanTag, clanName, inviter);
dispatchClanInvitation(c);