jrgen_must_have_part

  "$schema": "https://rawgit.com/mzernetsch/jrgen/master/jrgen-spec.schema.json",
  "definitions": {},
  "jrgen": "1.1",
  "info": {
    "title": "ExampleAPI",
    "description": [
      "An example api which handles various rpc requests.",
      "This api follows the json-rpc 2.0 specification. More information available at http://www.jsonrpc.org/specification."
    ],
    "version": "1.0"
  },
  "jsonrpc": "2.0",