{ "object": "event", "type": "invoiceitem.updated", "pending_webhooks": 1, "created": 1560063407, "livemode": false, "request": { "idempotency_key": null, "id": "req_AApRWrApSzs6rP" }, "data": { "previous_attributes": { "quantity": 1 }, "object": { "customer": "cus_FDmT2sIGjFskP2", "discountable": true, "livemode": false, "description": "Watermelons", "subscription": null, "proration": false, "object": "invoiceitem", "period": { "start": 1560063400, "end": 1560063400 }, "tax_rates": [], "currency": "usd", "amount": 0, "plan": null, "invoice": "in_1EjKuzHuGUuNWDDZmFUP3FxU", "date": 1560063400, "unit_amount": 0, "quantity": 0, "id": "ii_1EjKxIHuGUuNWDDZhiVHinLl", "metadata": {} } }, "id": "evt_1EjKxPHuGUuNWDDZvbb9RsLf", "api_version": "2019-03-14" }