> curl -X GET --dump - http://localhost:8529/_api/edge/7848004/9683012

HTTP/1.1 200 OK
content-type: application/json; charset=utf-8
etag: "9683012"

{
  "_from": "7848004/9289796",
  "_rev": "9683012",
  "_to": "7848004/9355332",
  "_id": "7848004/9683012",
  "e": 1
}