curl --request POST \
  --url https://api.juicer.io/v1/feeds/{feed_id}/posts/{id}/unpin \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": 123,
    "external_id": "<string>",
    "platform": "<string>",
    "url": "<string>",
    "message": "<string>",
    "external_created_at": "2023-11-07T05:31:56Z",
    "poster": {
      "display_name": "<string>",
      "name": "<string>",
      "url": "<string>",
      "image": "<string>",
      "platform_id": "<string>"
    },
    "media": [
      {
        "url": "<string>",
        "preview_image_url": "<string>",
        "width": 123,
        "height": 123,
        "alt_text": "<string>",
        "platform_id": "<string>"
      }
    ],
    "like_count": 123,
    "comment_count": 123,
    "tagged_users": "<string>",
    "pinned": true,
    "referenced_post": {
      "poster": {
        "display_name": "<string>",
        "name": "<string>",
        "url": "<string>",
        "image": "<string>",
        "platform_id": "<string>"
      },
      "message": "<string>",
      "url": "<string>",
      "platform_id": "<string>",
      "post_created_at": "2023-11-07T05:31:56Z",
      "media": [
        {
          "url": "<string>",
          "preview_image_url": "<string>",
          "width": 123,
          "height": 123,
          "alt_text": "<string>",
          "platform_id": "<string>"
        }
      ]
    },
    "reshared_by": {
      "display_name": "<string>",
      "name": "<string>",
      "url": "<string>",
      "image": "<string>",
      "platform_id": "<string>"
    },
    "created_at": "2023-11-07T05:31:56Z"
  }
}