{
  "type": "array",
  "items": {
    "type": "object",
    "required": ["duration_in_seconds", "finished_at"],
    "properties": {
      "duration_in_seconds": {
        "type": "integer"
      },
      "finished_at": {
        "type": "string"
      }
    },
    "additionalProperties": false
  }
}
