{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbbc594cfce697876f782ad2e56be6c8fa02c54a36de12c01599cf0afda3583ba",
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  }
}