GET //example// HTTP/1.1
Host:example.amazonaws.com
X-Amz-Date:20150830T123600Z
X-Amz-Region-Set:us-east-1
Authorization:AWS4-ECDSA-P256-SHA256 Credential=AKIDEXAMPLE/20150830/service/aws4_request, SignedHeaders=host;x-amz-date;x-amz-region-set, Signature=304402203d34870fcc77b0f5a3f6d440cd1cecb75c7e534cfbcc68f60743d308ae92fef602200f9fbaacc5010b9a7e046b1b5ae58764bd32c24c47ef65b63ad9ff756c478e4d