{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xb3a0d6e6c5da2d0b6ccef1a273c4aa323d6490fd277495eb98b33c802e5d0af7",
    "signature": "0x8657e33bfe600bb80326e53451a0806309ecfdc7a6cc0d9f7884c425ccbdcd9d0b8e6d1405f5dbb47ef0c2590e2fa47db2ea90e59cb81ba336b719dd89b088f61b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}