Get History for Timeline

Sample Request:

 1.    
	{
		"AppointmentId":2993935,
		"AppConfirmUniqueId":"",
		"EventType":0
	}


 2.
	{
		"AppointmentId":0,
		"AppointmentConfirmUniqueId":"CD6F10EB-E9C4-44D0-122993",
		"EventType":1
	}