{
  "operation": "Microsoft.Network/networkSecurityGroups/securityRules/write",
  "rule": {
    "direction": "Inbound",
    "access": "Allow",
    "protocol": "TCP",
    "sourceAddressPrefix": "203.0.113.0/24",
    "sourcePortRange": "*",
    "destinationAddressPrefix": "*",
    "destinationPortRange": "443",
    "priority": 300
  }
}