Possible to retain custom attributes when moving a ticket?

We are trying to move a ticket from one ticketing application to another, and that is working fine.  But we want it to carry all of the custom attributes into the new application and that is not working.  The new application has all of the relevant attributes, but the values are not getting copied over.  What am I doing wrong?

{
NewAppID:2528,
NewFormID:54253,
NewTicketTypeID:36361,
NewStatusID:115524,
IsRichHtml:true,
"op":, "path":"/ResponsibleGroupId", "value":22343,
Attributes:[
{"Name":"Website Request Type","Order":"0","ID":"122033","Value":"{{webreqtype}}"}, 
{"Name":"Website URL","Order":"0","ID":"122075","Value":"{{websiteurl}}"},
{"Name":"Website Request Subtype","Order":"0","ID":"156885","Value":"{{webrequestsub}}"},
{"Name":"Parent Site?","Order":"0","ID":"156887","Value":"{{parentsite}}"},
{"Name":"Desired Delivery Date","Order":"0","ID":"109240","Value":"{{deliverydate}}"},
{"Name":"What is your goal?","Order":"0","ID":"113523","Value":"{{goal}}"},
{"Name":"Who is your target audience?","Order":"0","ID":"109208","Value":"{{audience}}"},
{"Name":"What is the call to action?","Order":"0","ID":"112319","Value":"{{calltoaction}}"},
{"Name":"What are the mandatory elements that must be included?","Order":"0","ID":"117634","Value":"{{mandatoryelem}}"},
{"Name":"Primary Maintainer?","Order":"0","ID":"156886","Value":"{{maintainer}}"},
{"Name":"Stakeholders/Approval","Order":"0","ID":"109193","Value":"{{stakeholders}}"},
{"Name":"Are there any examples you would like to share?","Order":"0","ID":"109211","Value":"{{examples}}"},
{"Name":"Additional Comments?","Order":"0","ID":"113518","Value":"{{comments}}"}
],
WorkflowID:19330548
}