{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdccc92961e35b3334994d24bd50632a031b537b244d9caf31356714452518548",
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  }
}