{
  "router": {
    "external_gateway_info": {
      "network_id": "{netId}",
      "enable_snat": true,
      "external_fixed_ips": [
        {
          "subnet_id": "{subnetId}",
          "ip_address": "192.168.111.21"
        }
      ]
    },
    "name": "rtr1",
    "gw_port_id": "{portId}",
    "admin_state_up": true,
    "distributed": false,
    "routes": []
  }
}