{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb81f146eed3467caca76734dbd9514d91ed5a27876cfd0df67949473a552fe36",
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    "userId": "863925144"
  }
}