tsp.json

{
  "vehicles": [
    {
      "vehicle_id": "my_vehicle",
      "start_address": {
        "location_id": "berlin",
        "lon": 13.406,
        "lat": 52.537
      }
    }
  ],
  "services": [
    {
      "id": "hamburg",
      "name": "visit_hamburg",
      "address": {
        "location_id": "hamburg",
        "lon": 9.999,
        "lat": 53.552
      }
    },
    {
      "id": "munich",
      "name": "visit_munich",
      "address": {
        "location_id": "munich",
        "lon": 11.57,
        "lat": 48.145
      }
    },
    {
      "id": "cologne",
      "name": "visit_cologne",
      "address": {
        "location_id": "cologne",
        "lon": 6.957,
        "lat": 50.936
      }
    },
    {
      "id": "frankfurt",
      "name": "visit_frankfurt",
      "address": {
        "location_id": "frankfurt",
        "lon": 8.67,
        "lat": 50.109
      }
    }
  ]
}