{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe2c036b6c86b1fe1b1938f30a0c5da5f7150f43e1a356e14916c982fad493691",
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  }
}