API: GET: Conversation: Pagination not working

Hello, I try to modify my json configurator to extract all conversions. However pagination does not work. Can someone assist please? 

The json I have is as following:

{
 "parameters": {
  "api": {
   "baseUrl": "https://api.intercom.io/"
  },
  "pagination": {
   "method": "cursor",
   "perPageParam": "per_page",
   "perPage": 150,
   "startingAfterParam": "starting_after",
   "startingAfter": ""
  },
  "config": {
   "outputBucket": "ge-tutorial",
   "debug": true,
   "jobs": [
    {
     "endpoint": "conversations",
     "params": {
      "per_page": "{{perPage}}",
      "starting_after": "{{startingAfter}}"
     },
     "headers": {
      "Intercom-Version": "2.9",
      "accept": "application/json",
      "authorization": "Bearer -----"
     }
    }
   ]
  },
  "incrementalOutput": true
 }
}