{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2e75c860e0e3e6a708cda15e2c03a391ebafb3b9fac007f45bbc123c0fd67827",
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    "signer": "0x673abE35670A57Da7AD5a8C463bE5361eAC5adF8",
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  }
}