shell> curl -X PUT --data-binary @- --dump - http://localhost:8529/_api/simple/last
{ "collection": "products" }

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

{ 
  "result" : { 
    "_id" : "products/1284319395", 
    "_key" : "1284319395", 
    "_rev" : "1284319395", 
    "i" : 1, 
    "a" : { 
      "k" : 2, 
      "j" : 2 
    } 
  }, 
  "error" : false, 
  "code" : 200 
}