private static object ValidateEventHeaderAndGetPayload(Event evt)
{
Assert.Equal("EventCounters", evt.EventName);
List<string> payloadNames = evt.PayloadNames.ToList();
Assert.Equal(1, payloadNames.Count);
Assert.Equal("Payload", payloadNames[0]);
object rawPayload = evt.PayloadValue(0, "Payload");
return rawPayload;
}