Hi,

I want to see, what's coming from outside to my SNS service in localstack like payload.
Where can I see it? I have set `DEBUG=1` but I still not see anything.
if topic_arn not in SNS_SUBSCRIPTIONS:
        SNS_SUBSCRIPTIONS[topic_arn] = []
def do_delete_topic(topic_arn):
    SNS_SUBSCRIPTIONS.pop(topic_arn, None)
def do_confirm_subscription(topic_arn, token):
    for k, v in SUBSCRIPTION_STATUS.items():
        if v['Token'] == token and v['TopicArn'] == topic_arn:
            v['Status'] = 'Subscribed'
def do_subscribe(topic_arn, endpoint, protocol, subscription_arn, attributes, filter_policy=None):
    
    
    for existing_topic_subscription in SNS_SUBSCRIPTIONS.get(topic_arn, []):
        if existing_topic_subscription.get('Endpoint') == endpoint:
            return
    subscription = {