{
         "Type" : "AWS::EC2::Subnet",
         "Properties" : {
            "VpcId" : { "Ref" : "myVPC" },
            "CidrBlock" : "10.0.0.0/24",
            "AvailabilityZone" : "us-east-1a",
            "Tags" : [ { "Key" : "foo", "Value" : "bar" } ]
         }
      }