{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xa539b5e0f7ba0b6b4f133d3b370ddb7dbd50713f9d148ba154b8af2d5c82c569",
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    "signer": "0x16BE3cc7Ee03C75AD10a94fb7234B045D351825c",
    "userId": "66529124"
  }
}