Create a subgroup

curl --request POST \
  --url https://app.plugchoice.com/api/v3/sites/{site_uuid}/groups/{siteGroup_id}/subgroups \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "total_amps": 1,
  "charger_uuids": [
    "architecto"
  ]
}
'

{
  "data": {
    "id": 1,
    "site_id": 1,
    "group_id": null,
    "meter_id": null,
    "total_amps": 48,
    "created_at": "2026-01-10T01:14:33.000000Z",
    "updated_at": "2026-01-10T01:14:33.000000Z",
    "method": "boost",
    "solar_additional_amps": 0,
    "peak_shaving_enabled": false,
    "peak_shaving_threshold": 0,
    "solar_always_charge": false,
    "solar_always_charge_amps": 0,
    "net_type": null
  }
}