Callback: Add/Updatepost https://partner-api.getpliant.com/api/cards/subscriptionSubscribe to callbacks for this entity or change an existing callback.CallbackscardUpdatedpost{$request.body#/callbackUrl}cardBalanceUpdatedpost{$request.body#/callbackUrl}cardExpiredpost{$request.body#/callbackUrl}cardStatusChangedpost{$request.body#/callbackUrl}
