{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xdd43d0152f6af55671b71a245b42e652f0a5e892337b006b12c87fdd786127ac",
    "signature": "0x3e30ec0583ac9b095f8609cb6fe6c0d6ba2fc2ded8eb6e3d2a219978104f51075ccda579766047cecbc997d740c7cb587d24115f86a25fed1a6bef025aacb5ff1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}