{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbffd002389b03f8b0cda985ade8a9f968047fad2d63905f213d81f9755213fac",
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    "signer": "0x4271322EC7204add6CDDdcb502a46efcc31ec460",
    "userId": "292433028"
  }
}