{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdbc05b77ad7396f57b81dfea0cb9522233aec7d7747970f7518e8de05cd881bd",
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}