shell> curl -X PUT --header 'If-Match: "_XWq5shq--B"' --header 'accept: application/json' --data-binary @- --dump - http://localhost:8529/_api/document/products/103576 <<EOF {"other":"content"} EOF HTTP/1.1 undefined content-type: application/json; charset=utf-8 etag: "_XWq5shq--_" x-content-type-options: nosniff { "error" : true, "code" : 412, "errorNum" : 1200, "errorMessage" : "precondition failed", "_id" : "products/103576", "_key" : "103576", "_rev" : "_XWq5shq--_" }