{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x1e82a019e989b33149a09b85442542885809e9c19bcb694e61286347c4cb3eec",
    "signature": "0x2a4314c65343cca472e631e3a990bfe66238a7ae02ebb2e30aa94aec20cba0b241923fb2f6d6c01d00e2d4444c5ae7edcef53403fe25bb94ef50188f5efe992e1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}