{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xec9785dc34091960664d4668b599494f5f7882078b4366515bff6fb19a55632f",
    "signature": "0xd465c8d66a453312a3c671837e7022c7d3e5dc39099032e3d7974b836515d341554af5d1646fbedec076925b1198d85fa325c45ab7f831277feae673cb8a664b1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}