{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x5ccb7a2a28db2319a33b03b6d5f4d52126e2b6216a5bab4df8c11c12078171f4",
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    "signer": "0x9966bAfaA4A36a3387F768461b93eC9a76CC2A36",
    "userId": "213646230"
  }
}