curl --request GET \
  --url https://api.hubapi.com/contacts/v1/lists/{list_id}

{
  "listId": 123,
  "name": "<string>",
  "dynamic": true,
  "portalId": 123,
  "createdAt": 123,
  "updatedAt": 123,
  "internalListId": 123,
  "deleteable": true,
  "metaData": {
    "processing": "<string>",
    "size": 123,
    "error": "<string>",
    "lastProcessingStateChangeAt": 123,
    "lastSizeChangeAt": 123
  },
  "filters": [
    [
      {}
    ]
  ]
}