shell> curl -X DELETE --header 'If-Match: "_ZG8LgJK--A"' --header 'accept: application/json' --dump - http://localhost:8529/_api/document/products/69068
HTTP/1.1 Precondition Failed
content-type: application/json; charset=utf-8
etag: "_ZG8LgJK---"
x-content-type-options: nosniff
{
"error" : true,
"code" : 412,
"errorNum" : 1200,
"errorMessage" : "precondition failed",
"_id" : "products/69068",
"_key" : "69068",
"_rev" : "_ZG8LgJK---"
}