Get Multiple Leads by Filter Type - returning empty results I'm brand new to Marketo, and I am stuck on a problem with the "Get Multiple Leads by Filter Type" REST API call. When I use this API with filterType=email, I get lead data back as expected.When I use this API with filterType=cookie, I get back a result which has an empty result:StatusCode = 200{"requestId":"ee47#14acf571eeb","result":[],"success":true}The request looks like this:https://076-WSM-660.mktorest.com/rest/v1/leads.json?filterType=cookie&filterValues=id:076-WSM-660%26token:_mch-pcm.com-1420815979885-96936&fields=firstName,lastName,phone,inferredCompany,cookiesI am getting the filterValue value from the "_mkto_trk" cookie, and escaping the ampersand as suggested in some other discussions.It's probably worth mentioning that I created the lead using the Create/Update Leads API -- maybe there is something I'm doing wrong there? Here is how I'm creating the lead:POST URL:https://076-WSM-660.mktorest.com/rest/v1