Retrieve a file operation

Example response

{
  "data": {
    "type": "export",
    "state": "complete",
    "collection": {
      "name": "Human Resources",
      "index": "P",
      "color": "#123123"
    },
    "user": {
      "name": "Jane Doe"
    },
    "size": 2048
  }
}