{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6d6ac1bf8c480d7e990f740c7bc11aa81de26831f503e1d901ba89996b94746c",
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  }
}