{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x12d54d83404fdf35c312375f9785e909e1a74681f0f04cac7caa368e35b1325d",
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  }
}