{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x717c8ef13582b3d6e083798cef9223dae0152837279eb35eb03190c6dffb9b6e",
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}