{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2a4650b635b6c097e961c9690822a17b59b989720d7df7ba9f828c361fa1d9f9",
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  }
}