{
 "topology": [
  {
   "node": [
    {
     "l3-unicast-igp-topology:igp-node-attributes": {
      "prefix": [
       {
        "prefix": "8.0.1.0/28"
       },
       {
        "prefix": "8.0.1.16/28"
       },
       {
        "prefix": "8.0.1.32/28"
       }
      ]
     },
     "node-id": "192.0.2.1"
    }
   ],
   "server-provided": true,
   "topology-id": "example-ipv4-topology",
   "topology-types": {}
  }
 ]
}