{"request":{"call":"ListTables","params":{},"service":"dynamodb"},"response":{"status":400,"content":"{\"__type\":\"com.amazon.coral.service#UnrecognizedClientException\",\"message\":\"The security token included in the request is invalid.\"}","headers":{"server":"Server","x-amzn-requestid":"000000000000000000000000000000000000","content-type":"application/x-amz-json-1.0","x-amz-crc32":"3880715766","connection":"keep-alive","content-length":"132","date":"Tue, 25 Oct 2016 22:05:37 GMT"}}}