shell> curl -X PUT --header 'If-Match: "1516282157"' --data-binary @- --dump - http://localhost:8529/_api/document/products/1515954477?policy=last
{}

HTTP/1.1 202 Accepted
content-type: application/json; charset=utf-8
etag: "1516544301"
location: /_db/_system/_api/document/products/1515954477

{ 
  "error" : false, 
  "_id" : "products/1515954477", 
  "_rev" : "1516544301", 
  "_key" : "1515954477" 
}