GET //example// 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=87cca117541a147f6df867677d98a7d80dff226d2bfca9e4ffa899665623c7e5