{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x74963f41bb592dc84acb429af53ff61c8fe180ac68bf089004fb7402e7142698",
    "signature": "0x5be70823953a07673cf8d65e5f712805c54a6403bcb03d834c067c8143619e05445609f5c96bbfe8899fe229fb6c63cb80ac76a11ae29d39e199874c8adebefb1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}