curl --request GET \
  --url https://api.hubapi.com/marketing/marketing-events/2026-03/associations/{externalAccountId}/{externalEventId}/lists \
  --header 'Authorization: Bearer <token>'

{
  "results": [
    {
      "listId": "<string>",
      "listVersion": 123,
      "name": "<string>",
      "objectTypeId": "<string>",
      "processingStatus": "<string>",
      "processingType": "<string>",
      "createdAt": "2023-11-07T05:31:56Z",
      "createdById": "<string>",
      "deletedAt": "2023-11-07T05:31:56Z",
      "filtersUpdatedAt": "2023-11-07T05:31:56Z",
      "size": 123,
      "updatedAt": "2023-11-07T05:31:56Z",
      "updatedById": "<string>"
    }
  ],
  "total": 123,
  "paging": {
    "next": {
      "after": "<string>",
      "link": "<string>"
    },
    "prev": {
      "before": "<string>",
      "link": "<string>"
    }
  }
}