GET /files?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=123%2F20161207%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20161207T232144Z&X-Amz-Expires=900&X-Amz-Signature=72ebe710a3315074341d5da1abc40d024ecd4a5acdc537cfdf3ecdb25372d7c9&X-Amz-SignedHeaders=host&prefix=lala HTTP/1.1
Host: 127.0.0.1
User-Agent: curl/7.49.1
Accept: */*

