List the episodes voted for

{
  "type": "array",
  "items": {
    "type": "object",
    "properties": {
      "episode_id": {
        "type": "integer"
      },
      "vote": {
        "type": "integer",
        "description": "The vote number"
      },
      "voted_at": {
        "type": "integer",
        "description": "Epoch timestamp for when the user voted for the episode"
      }
    }
  }
}