Get a Time Entry by its external reference id

Example response

{
  "data": {
    "id": "01J43T7CVPGPJ34P3963YZV3S6",
    "user_id": "01J43R8NX9F3WMMFQ294H2Q4ED",
    "client_id": "01J43T7CVPGPJ34P3963YZV3S1",
    "project_id": "01jd9kk3es6s9amhn8smf6dsj6",
    "description": "Completed new deployment process",
    "billable": true,
    "started_at": "2021-01-01T00:00:00.000000Z",
    "created_at": "2021-01-01T00:00:00.000000Z",
    "updated_at": "2021-01-01T00:00:00.000000Z",
    "push_errors": []
  }
}