{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x4a87568bfb2457e9ef2c9ea23e67d97bd34b89e583b7ad9f480e9a6df8ff89aa",
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    "signer": "0x30aB4fFaEd20Dd2ECb39C4c56ccbA39A1859a1C2",
    "userId": "983034886"
  }
}