json_schema: {
      "$schema": "http://json-schema.org/draft-07/schema#",
      "type": "object",
      "required": [
          "grid"
      ],
      "properties": {
          "grid": {
              "type": "object",
              "required": [
                  "resource"
              ],
              "properties": {
                  "resource": {
                      "type": "string",
                      "format": "topic",
                      "axRole": "inlet"
                  }
              }
          },
          "tabs": {
              "type": "object",
              "required": [],
              "properties": {
                  "parameter": {
                      "type": "string",
                      "format": "topic",
                      "default": "events"
                  }
              }
          }
      }
  }