{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x865f0f4ca3fb7ea01b811938787a84746ba1076736b224546d2563415cf6900b",
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  }
}