{"request":{"call":"ListVaults","params":{"AccountId":"X"},"service":"glacier"},"response":{"headers":{"x-amzn-requestid":"000000000000000000000000000000000000","connection":"close","content-length":"109","date":"Tue, 25 Oct 2016 22:05:53 GMT"},"content":"{\"code\":\"MissingParameterValueException\",\"message\":\"Required parameter missing: API version\",\"type\":\"Client\"}","status":"400"}}