{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x09b71ecc1fb551c61ed440afbbe2d0e1efbd02ed190b9bb4afe3ac847cfa572a",
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    "userId": "479039338"
  }
}