{
  "network": [
    {
      "provider:physical_network": "physnetext1",
      "port_security_enabled": true,
      "provider:network_type": "flat",
      "id": "{netId}",
      "provider:segmentation_id": null,
      "router:external": true,
      "name": "ext1",
      "admin_state_up": true,
      "tenant_id": "{tntId}",
      "shared": false
    }
  ]
}