public TransportMessage()
{
var id = CombGuid.Generate().ToString();
Headers = new Dictionary<string, string>
{
{HeaderKeys.MessageId, id},
{HeaderKeys.CorrelationId, id},
{HeaderKeys.ContentType, null},
{HeaderKeys.ReplyTo, null},
{HeaderKeys.MessageType, null},
{HeaderKeys.MessageIntent, null},
{HeaderKeys.DeliveryCount, "0" }
};
}