json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "type": "object",
      "properties": {
          "created_at": {
              "type": "string",
              "format": "date-time"
          },
          "count": {
              "type": "number"
          },
          "user_count": {
              "type": "number"
          }
      }
  }