topology.json

{
  "localRoots": [
    {
      "accessPoints": [],
      "advertise": false,
      "valency": 1
    }
  ],
  "publicRoots": [
    {
      "accessPoints": [
        {
          "address": "preprod-node.play.dev.cardano.org",
          "port": 3001
        }
      ],
      "advertise": false
    },
    {
      "accessPoints": [
        {
          "address": "ppe-testnet-relay.cardanistas.io",
          "port": 3002
        }
      ],
      "advertise": false
    },
    {
      "accessPoints": [
        {
          "address": "relay1.preprod.stakepool.quebec",
          "port": 5000
        }
      ],
      "advertise": false
    },
    {
      "accessPoints": [
        {
          "address": "preprod.ada.chicando.net",
          "port": 3001
        }
      ],
      "advertise": false
    }
  ],
  "useLedgerAfterSlot": 42855241
}