Mark an episode as acquired or watched based on its ID

{
  "type": "object",
  "properties": {
    "_embedded": {
      "type": "object",
      "properties": {
        "episode": {
          "type": "object"
        }
      }
    },
    "episode_id": {
      "type": "integer"
    },
    "marked_at": {
      "type": "integer",
      "description": "Epoch timestamp for when the user watched the episode, or 0 for unknown."
    },
    "type": {
      "description": "0 for watched, 1 for acquired, 2 for skipped",
      "type": "object"
    }
  }
}