{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x64d3c7ffa98485793782d9458a1dfc0dd5be073fbd6ea5e428844e0d49753fc5",
    "signature": "0xdb86d4e47456528c86a9b527b7fe8d5a8f1d04ef079d4fc9e58145534f6fd3585d7aad4c0b97ce0c4a0c0e25c956b66c4ba73aa181cd6f19ea57291c5d2731c51c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}