Check if an episode is voted for

{
  "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"
    }
  }
}