{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x77f9df29a51c8a709fcc93a873d368c5f10baf36cc53e2245fcaf9d1c7aac367",
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  }
}