put https://api-sandbox.ezypay.com/v2/billing/subscriptions//activate
Integrators have the ability to choose when a subscription needs to be "ACTIVATED" using the "Active a Subscription" API Endpoint. Subscriptions need to be a "PENDING" status in order for the subscription to be "ACTIVATED".
The "Active a subscription" API allows integrator to provide a start date and the payment method token which will be used (must be linked to the customer through the customer id) for the payment plan.