{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x6162eacaadc96962bba6b7a2a635913f3e2896fd6d0ad0d0f0fa7de6af6314d0",
    "signature": "0xea3187916e84493106e543b5692a8baa0fd3aac061b6a2b5839de66a74628ece6a4e5d86aab6ed2a0d109d2596ab6be71ae00f10ed1da78910f8d3205e6af6e81b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}