code: def subscribe_sns_topic_to_sqs(self, region):
          
          sns = self.session.resource('sns', region_name=region)
          topic = sns.Topic('arn:aws:sns:{}:{}:{}'.format(region, self.account.account_number, self.topic_name))
  
          topic.subscribe(Protocol='sqs', Endpoint=self.sqs_queue)
  
          auditlog(
              event='cloudtrail.subscribe_sns_topic_to_sqs',
              actor=self.ns,
              data={
                  'account': self.account.account_name,
                  'region': region
              }
          )
  
          return topic.attributes['TopicArn']
docs: Subscribe SQS to the SNS topic. Returns the ARN of the SNS Topic subscribed
  
          Args:
              region (`str`): Name of the AWS region
  
          Returns:
              `str`