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

{
  "energy": [
    {
      "date": "<string>",
      "value": 123,
      "unit": "<string>"
    }
  ],
  "current": [
    {
      "date": "<string>",
      "L1": 123,
      "L2": 123,
      "L3": 123,
      "offered": 123
    }
  ],
  "voltage": [
    {
      "date": "<string>",
      "L1": 123,
      "L2": 123,
      "L3": 123
    }
  ]
}