{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdc9ce3677ad51e40ef97a3a890eb433c910fd5a4e549717ddd1b79c241474f7b",
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}