curl --include
--request POST
--user klausi:secret
--header 'Content-type: application/hal+json'
--header 'X-CSRF-Token: <obtained from http://example.com/session/token> (Only needed if authenticating with a cookie rather than user credentials)'
http://example.com/entity/node?_format=hal_json
--data-binary '{"_links":{"type":{"href":"http://example.com/rest/type/node/article"}},"title":[{"value":"Example node title"}],"type":[{"target_id":"article"}]}'