{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9c49e6cd242441578d39e00b6a46d4a1cfd5063bf0aa87ae0846e8cfce86317c",
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}