GET / HTTP/1.1
Host:example.amazonaws.com
X-Amz-Security-Token:6e86291e8372ff2a2260956d9b8aae1d763fbf315fa00fa31553b73ebf194267
X-Amz-Date:20150830T123600Z
Authorization:AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20150830/us-east-1/service/aws4_request, SignedHeaders=host;x-amz-date;x-amz-security-token, Signature=07ec1639c89043aa0e3e2de82b96708f198cceab042d4a97044c66dd9f74e7f8