{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3545680a4ecfb5011025c63d327a35c40d30cd4cf5e1916f55b30fef8bc5e57b",
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  }
}