json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "type": "array",
      "items": {
          "$schema": "http://json-schema.org/draft-04/schema#",
          "type": "object",
          "properties": {
              "time": {
                  "type": "string",
                  "format": "date-time"
              },
              "name": {
                  "type": "string"
              },
              "payload": {
                  "type": "object"
              }
          },
          "required": [
              "name"
          ],
          "additionalProperties": false
      }
  }