{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbf2fb7ce1b911fe342086bc4d14f2ee6c31a4cbc5219fbf5dc65a265ff9166d8",
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}