{"request":{"service":"glacier","params":{"AccountId":"X"},"call":"ListVaults"},"response":{"content":"{\"code\":\"MissingParameterValueException\",\"message\":\"Required parameter missing: API version\",\"type\":\"Client\"}","status":400,"headers":{"x-amzn-requestid":"000000000000000000000000000000000000","date":"Tue, 25 Oct 2016 22:05:40 GMT","content-length":"109","connection":"close"}}}