{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4f9877132b052443a2f1b7e72a74155690f6bd361d29c84f8062b79d46c480f4",
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  }
}