Hi, my client is trying to create an instrument list for file code 66 using the following code but it is not working, any ideas? {"ExtractionRequest":{"@odata.type":"#ThomsonReuters.Dss.Api.Extractions.SubjectLists.InstrumentListItem","Identifier":"66","IdentifierType":"FileCode"}} It seemed to return a malformed request content error back. Could you tell me what I got wrong please?