json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "type": "object",
      "additionalProperties": false,
      "properties": {
          "name": {
              "type": "string",
              "minLength": 1
          },
          "url": {
              "type": "string",
              "minLength": 1
          }
      },
      "required": [
          "name",
          "url"
      ]
  }