{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xa9cd2a68d9093a7eefda4b752a8aeb80eefc6c9ca797fe4277a0c86bf5f8e230",
    "signature": "0x7f8ce05ef9f3573af79e49eba5a26847d8cc5db314592dd36769faed9872f491169f8d31f3a5cd70c494f9cddce5c2cef3dd7d1d509c7aa99972f87820b2eace1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}