code: def approve_subscription(data):
      
      url = data['SubscribeURL']
  
      domain = urlparse(url).netloc
      pattern = getattr(
          settings,
          'BOUNCY_SUBSCRIBE_DOMAIN_REGEX',
          r"sns.[a-z0-9\-]+.amazonaws.com$"
      )
      if not re.search(pattern, domain):
          logger.error('Invalid Subscription Domain %s', url)
          return HttpResponseBadRequest('Improper Subscription Domain')
  
      try:
          result = urlopen(url).read()
          logger.info('Subscription Request Sent %s', url)
      except urllib.HTTPError as error:
          result = error.read()
          logger.warning('HTTP Error Creating Subscription %s', str(result))
  
      signals.subscription.send(
          sender='bouncy_approve_subscription',
          result=result,
          notification=data
      )
  
      # Return a 200 Status Code
      return HttpResponse(six.u(result))
docs: Function to approve a SNS subscription with Amazon
  
      We don't do a ton of verification here, past making sure that the endpoint
      we're told to go to to verify the subscription is on the correct host