{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xbbd78d962b816726ea6cbf1fbcd7d72f480052c51a81b4e2e9bfc61e7b09852f",
    "signature": "0xdab65776b890adb2bcc86752c6c085f7e523fe1e9fa4664a3b29b417ca145f13410f10fe3bd3df19fb88885927df39f56ff4155bbf791faba43b5fd56f23eaf51c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}