{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "2120020057",
    "entityType": "Notification",
    "nonce": "0x3fa3caf0e652ac970aca39a60febc4e21b2637a3dfd311d9a5f7a7de0f84db04",
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    "signer": "0xcB0cc6764C9023b8685E78148224a9467967E228",
    "userId": "104731"
  }
}