<?xml version="1.0" encoding="UTF-8"?><ItemLookupResponse xmlns="http://webservices.amazon.com/AWSECommerceService/2005-10-05"><OperationRequest><HTTPHeaders><Header Name="UserAgent" Value="CCBot/1.0 (+http://www.commoncrawl.org/bot.html)"></Header></HTTPHeaders><RequestId>0EZS19RK1FZYHDCSTGCJ</RequestId><Arguments><Argument Name="AWSAccessKeyId" Value="my_key"></Argument><Argument Name="ItemId" Value="B00000JY1X"></Argument><Argument Name="Service" Value="AWSECommerceService"></Argument><Argument Name="Operation" Value="ItemLookup"></Argument></Arguments><Errors><Error><Code>AWS.MinimumParameterRequirement</Code><Message>Your request should have atleast 1 of the following parameters: Signature, Timestamp.</Message></Error></Errors></OperationRequest></ItemLookupResponse>