{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2614b74b46e0256757fdc54943b39c55e945ee7af2d20ad85bcf0f9a83c2d1ec",
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  }
}