{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x728d158dbaea64de9f754aed23fc0cfef282a4a59ac5d1a36abd64279c5ae684",
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}