{
  "type": "object",
  "required": [
    "id",
    "freeze_start",
    "freeze_end",
    "cron_timezone",
    "created_at",
    "updated_at"
  ],
  "properties": {
    "id": { "type": "integer" },
    "freeze_start": { "type": "string" },
    "freeze_end": { "type": "string"},
    "cron_timezone": { "type": "string" },
    "created_at": { "type": "string" },
    "updated_at": { "type": "string" }
  },
  "additionalProperties": false
}