{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xd7189e9ea3069132ce46bd4fad8f86c56ffb344dcb5dbfc2833290e0eaaabe1e",
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    "signer": "0xdBA5548Db841AA01126C5Fd78d007af63Bd82F3f",
    "userId": "504460753"
  }
}