{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x1bbe8e74487abb713e0c3983364d0054c0a412af4874e1047bb7f5f836812890",
    "signature": "0x7a596f7aa748d4138af70a9b2786a2db3f18a666106c96ed751b6d999c0a9a7849a7ed3409849e9b0cb236ecd2f427328ab688022c91a4c99eefabf7c6f5f2771b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}