{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x49de958e8ad159f91468a4675a19bf0271d4362c5a61ce2a1f20421aeee1cc54",
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}