temp2.json

{
    "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "vnetName": {
            "type": "string",
            "defaultValue": "EUVNet2",
            "metadata": {
                "description": "VNet name"
            }
        },
        
        "subnet1Prefix": {
            "type": "string",
            "defaultValue": "192.168.11.0/25",
            "metadata": {
                "description": "Subnet 1 Prefix"
            }
        },
		"vnetAddressPrefix": {
            "type": "string",
            "defaultValue": "192.168.11.0/24",
            "metadata": {
                "description": "Address prefix"
            }
        },
        "subnet1Name": {
            "type": "string",
            "defaultValue": "Production2",
            "metadata": {
                "description": "Subnet 1 Name"
            }
        }
       
    },
    "variables": {
        "apiVersion": "2015-06-15"
    },
    "resources": [
        {
            "apiVersion": "[variables('apiVersion')]",
            "type": "Microsoft.Network/virtualNetworks",
            "name": "[parameters('vnetName')]",
            "location": "[resourceGroup().location]",
            "properties": {
                "addressSpace": {
                    "addressPrefixes": [
                        "[parameters('vnetAddressPrefix')]"
                    ]
                },
                "subnets": [
                    {
                        "name": "[parameters('subnet1Name')]",
                        "properties": {
                            "addressPrefix": "[parameters('subnet1Prefix')]"
                        }
                    }
                    
                ]
            }
        }
    ]
}