Provisioning subscriptions

import Stigg from '@stigg/node-server-sdk';

const stiggClient = await Stigg.initialize({ apiKey: 'YOUR_FULL_ACCESS_KEY' });

export default stiggClient;

const subscription = await stiggClient.provisionSubscription({  
    customerId: 'customer-demo-01',  
    planId: 'plan-basic',  
    addons: [{  // optional
        addonId: 'addon-extra-stuff',  
        quantity: 1,  
    }],  
    startDate: new Date(), // optional
    id: 'subscription-plan-basic',  // optional
    billingPeriod: 'MONTHLY', // optional, relevant only for paid subscriptions  
    unitQuantity: 2, // optional, relevant for subscriptions with per-unit pricing  
    billingInformation: {  // optional
    taxRateIds: [  
      "txr_1LcTSRE1gVT2zwZV07MIRKdf",  
      "txr_1LcTSRE1gVT2zwZV07MIRKdf"  
        ],  
    },
    metadata: { // optional
      key: 'value',  
    },
});