def run_once(event)
      unless StripeWebhooks::PerformedCallback.exists?(stripe_event_id: event.id, label: label)
        run(event)
        StripeWebhooks::PerformedCallback.create(stripe_event_id: event.id, label: label)
      end
    end
def run_once(event)
      unless StripeWebhooks::PerformedCallback.exists?(stripe_event_id: event.id, label: label)
        run(event)
        StripeWebhooks::PerformedCallback.create(stripe_event_id: event.id, label: label)
      end
    end
Run the callback only if we have not run it once before