Get Upload

{
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "user_id": "user-uuid",
  "filename": "abc123.webp",
  "original_name": "myimage.jpg",
  "description": "Check out this cool gadget",
  "upload_type": "image",
  "external_url": null,
  "upvotes": 42,
  "downvote_count": 5,
  "is_private": 0,
  "created_at": "2025-01-24T12:00:00Z",
  "tags": [
    {
      "id": "tag-uuid",
      "name": "gadget",
      "slug": "gadget"
    }
  ],
  "username": "johndoe"
}