gistfile1.cs

private static EventData ToEventData(Guid eventId, object @event, IDictionary<string, object> headers = null)
{
    if (headers == null) headers = new Dictionary<string, object>();
    var serializerSettings = new JsonSerializerSettings { TypeNameHandling = TypeNameHandling.None };

    var data = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(@event, serializerSettings));

    var eventHeaders = new Dictionary<string, object>(headers)
            {
                {
                    "EventClrTypeName", @event.GetType().AssemblyQualifiedName
                }
            };
    var metadata = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(eventHeaders, serializerSettings));
    var typeName = @event.GetType().Name;

    return new EventData(eventId, typeName, true, data, metadata);
}