GET /-._~0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz HTTP/1.1
Host:example.amazonaws.com
X-Amz-Date:20150830T123600Z
Authorization: AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20150830/us-east-1/service/aws4_request, SignedHeaders=host;x-amz-date, Signature=07ef7494c76fa4850883e2b006601f940f8a34d404d0cfa977f52a65bbf5f24f