{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xed70787315477852e80c79a5b68439ed12bdf96e356ea926addb2cfebb7df2cb",
    "signature": "0x09e844511a256549bfc3f0254ef763e8e922d7b25821274dd8d981453707619a0031bf6d62fc2fb4eb9928f5060d6975281199121d6b5ebd27a684aad59e73bd1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}