{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x84938f028a5b6e46aab027fca17747606b6aac73c4497fc9b7ad9660d51e2211",
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    "signer": "0x4A5A63c11Be31C44BA4CDeE2481610cA9A9453E3",
    "userId": "160673811"
  }
}