json_schema: {
      "additionalProperties": true,
      "properties": {
          "address": {
              "_id": "/address",
              "type": "string"
          },
          "name": {
              "_id": "/name",
              "type": "string"
          },
          "start": {
              "_id": "/start",
              "type": "boolean"
          },
          "type": {
              "_id": "/type",
              "type": "string"
          }
      },
      "required": [
          "name",
          "type",
          "address"
      ],
      "type": "object"
  }