<#ftl auto_esc=false/>
<#escape x as x?json_string>
{
    "statusCode":"200",
    "message":"<#if message?has_content><@t.message message?replace('\n','')?replace('\\','\\\\')/><#else><@t.message 'message.done'/></#if>",
    "navTabId":"${navTabId!}",
    "rel":"${rel!}",
    "callbackType":"${callbackType!}",
    "forwardUrl":"${forwardUrl!}"
}
</#escape>