{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x2c3688e6f2199c4b9b78a12bd72414a368ae6d1f9f984532d661b56af9511653",
    "signature": "0x5e3b2b0f8108b08fd6e7d630b153fc91cddf8f4c4b8a239b5944ad4afb8247d80f91191eda20368cbf4970ef73bd86b17baac46e12a90f57c573d134d37d76b11c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}