Give the chat session object oid when subscribing to this event.

When this event is received, the user is typing message should be shown in the active chat screen for 15 seconds. The participant is then notified that the remote participant is typing a new chat message.
Use the name parameter to determine the name of the participant that is typing the message.
If another ChatTypingEvent is received, restart the 15 second timer, this will make sure the is typing message is not removed while the remote participant is still typing.