{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8c3ca68c85933a478377f9d7a7789846dcc296f48ca281452dcaa3b666ca49aa",
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  }
}