> curl -X GET --dump - http://localhost:8529/_api/graph/graph1/vertex/v1
HTTP/1.1 200 OK
content-type: application/json; charset=utf-8
{
"vertex": {
"_id": "v/v1",
"_rev": 24332177,
"_key": "v1",
"optional1": "val1",
"optional2": "val2"
},
"error": false,
"code": 200
}