{"ResponseMetadata": {"RequestId": "7a62c49f-347e-4fc4-9331-6e8eEXAMPLE"},
 "VpnGateways": [{"AvailabilityZone": "us-east-1a",
                   "State": "available",
                   "Tags": [],
                   "Type": "ipsec.1",
                   "VpcAttachments": [{"State": "attached",
                                        "VpcId": "vpc-1a2b3c4d"}],
                   "VpnGatewayId": "vgw-8db04f81"}]}