private void ExecuteOperation(OperationItem operation, WebSocketConnection connection)
{
operation.ConnectionId = connection.ConnectionId;
operation.LastUpdated = DateTime.UtcNow;
_activeOperations.Add(operation.Ref, operation);
var package = operation.Operation.CreateNetworkPackage(operation.Ref);
LogDebug("ExecuteOperation push {0}, {1}, {2}.", package.ChannelEvent, package.PushRef, operation);
connection.EnqueueSend(package.ToMessage());
}