[1] AWS Storage Gateway Required Request Headers - AWS Storage Gateway ( 版) <http://docs.aws.amazon.com/storagegateway/latest/userguide/AWSStorageGatewayHTTPRequestsHeaders.html>
Content-Type
Use application/x-amz-json-1.1 as the content type for all requests to AWS Storage Gateway.
Content-Type: application/x-amz-json-1.1