{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1d2246326ab69a2a35f20d2b61a68775bdc2f1d12d386b1d9b8f35fe1ba73800",
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    "signer": "0x49DA4F708ef59e6007E395F01995898a12B6340C",
    "userId": "559619154"
  }
}