Get transaction graph data

curl --request GET \
  --url https://app.plugchoice.com/api/v3/chargers/{charger_uuid}/transactions/{transaction}/graph \
  --header 'Authorization: Bearer <token>'

{
  "energy": [
    {
      "date": "2026-01-27T10:00:00+00:00",
      "value": 0,
      "unit": "kWh"
    },
    {
      "date": "2026-01-27T10:05:00+00:00",
      "value": 1.234,
      "unit": "kWh"
    }
  ],
  "current": [
    {
      "date": "2026-01-27T10:00:00+00:00",
      "L1": 16,
      "L2": 15.8,
      "L3": 16.1,
      "offered": 32
    }
  ],
  "voltage": [
    {
      "date": "2026-01-27T10:00:00+00:00",
      "L1": 230.1,
      "L2": 229.8,
      "L3": 230.5
    }
  ]
}