curl --request POST \
  --url https://api.qonversion.io/v4/experiments/{experiment_id}/groups \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "weight": 123,
  "name": "<string>",
  "is_control": true,
  "remote_config_uid": "<string>"
}
'

{
  "object": "experiment_group",
  "id": "<string>",
  "url": "<string>",
  "name": "<string>",
  "is_control": true,
  "weight": 123,
  "remote_config_uid": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z"
}