post https://sandbox.pismolabs.io/recurring-charge/v1/recurring-charge-plans//accounts/
Creates a link between an active recurring charge plan and an account.
This endpoint generates a recurring_charge_plan_linked_to_account-1 event.
NOTE: This endpoint requires an account token — an access token encoded with an account ID. Tokens can expire quickly, which can result in a 401 Unauthorized message.