contract2.gm

{
  "name": "nearby_system",
  "base": "",
  "fields": [
    {
      "name": "distance",
      "type": "uint64"
    },
    {
      "name": "energy_cost",
      "type": "uint64"
    },
    {
      "name": "flight_time",
      "type": "uint32"
    },
    {
      "name": "location",
      "type": "location_info"
    }
  ]
}