Order Updated At Date same as Created At

I am using the after plugin for the Place method following this link https://www.rakeshjesadiya.com/create-plugin-after-place-order-action-checkout-magento-2/

But I get the order updated at the date time same as created at date time. I am not using the sales_order_place_after event as it doesn’t have created at an updated value.

Which is the right event or method(for plugin) to get created and updated at the date after the order is placed using rest API and frontend?