{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x2a3673cb8e468830b467d75e8655893f56dd13ca5344b0b5a073083dd0ffa12d",
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    "signer": "0x1984Bd0038361a5fE155B38e640C836704Fb7C90",
    "userId": "517039238"
  }
}