{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xec0c18f0752016fc23ddbf9c5ba2e184d8fab0e989a4364370f57dabb5b8411d",
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  }
}