public void Dispose()
{
if (eventSubs != null)
{
EventAggregator.GetEvent <ApiStatusEvent>().Unsubscribe(eventSubs);
}
if (!string.IsNullOrEmpty(blockSid))
{
PolkadotApi.UnsubscribeBlockNumber(blockSid);
}
((IDisposable)blockSubject).Dispose();
}
