{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa3b1eaa0caf369b0538917490811a1e23a8e902535e8991cfa33f1b43f1698ea",
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  }
}