One example from previous link:
```
{
      "@type" : "RestService",
      "@id" : "tcp:Result.item",
      "endpoint" : "http://lms.example.com/resources/Result/{sourcedId}",
      "format" : ["application/vnd.ims.lis.v2.result+json"],
      "action" : ["GET", "PUT"]
    }
```