@Martza
I find REST "Get Multiple Leads by Filter Type
" document error.http://developers.marketo.com/documentation/rest/get-multiple-leads-by-filter-type/
Example 1 Response JSON is Example 2 Response
And Example 2 Response JSON is not Example 1 Response
If the fields parameter is not included in this request, the following default fields will be returned: email, updatedAt, createdAt, lastName, firstName, and id.