If you have cancelled your subscription plan, your account is most likely now in a "pending cancellation" status. You will know this because you will have a red message bar at the top of the site giving you the date that the cancellation will become effective.
What happens if you change your mind and want to keep your naturalForms account?
If you are the account owner, you can contact Support and create a ticket with your request along with the company name. We can then re-active your account.