{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x391d56785d1274b07848809fbd082db9fb881ff0fdadb37d4a84910274162569",
    "signature": "0xb06db148df766b71c792d3c238efe6d1901c5141687ea00cb428c114ad430cfd1cb4e1fe8e6d64f49ebd1da7940d54a8c1c0288ee6ff4da67883a181ce1ecf0e1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}