Subscription renewal (paywall.renew)

try {
  for await (const chunk of paywall.makeStreamRequest(requestUrl, {
    method: 'POST',
    body: JSON.stringify({
      messages: newMessages,
      stream: true
    })
  })) {
    // Response processing..
  }
} catch (error) {
  if (error === 'not-enough-queries') {
	  try {
		  // Open an paywall to ask user renew subscription
	    await paywall.renew();
	    // Get user balances after success payment
	    await paywall.getUser();
    } catch(error) {
	    // User closed paywall and did not pay
    }
  } else if (error === 'Unauthorized' || error === 'access-denied') {
    await paywall.open();
  }
}