Retrieve a subscription

{  "object": "subscription",  "subscription_id": "sub_3f2b8c1e9a4d4e7b8c2a1d5e6f7a8b9c",  "status": "active",  "product_id": "pdt_3f2b8c1e9a4d4e7b8c2a1d5e6f7a8b9c",  "name": "string",  "quantity": 0,  "recurring_amount": 0,  "currency": "AED",  "billing_interval": "day",  "interval_count": 0,  "customer": {    "customer_id": "cus_3f2b8c1e9a4d4e7b8c2a1d5e6f7a8b9c",    "name": "string",    "email": "string"  },  "payment_method": {    "brand": "string",    "last4": "string",    "exp_month": 0,    "exp_year": 0  },  "current_period_start": "2019-08-24T14:15:22Z",  "next_billing_date": "2019-08-24T14:15:22Z",  "cancel_at_period_end": true,  "cancelled_at": "2019-08-24T14:15:22Z",  "cancellation_reason": "requested",  "failed_payment_attempts": 0,  "next_retry_at": "2019-08-24T14:15:22Z",  "checkout_session_id": "cks_3f2b8c1e9a4d4e7b8c2a1d5e6f7a8b9c",  "metadata": {    "property1": "string",    "property2": "string"  },  "livemode": true,  "created_at": "2019-08-24T14:15:22Z"}