Retrieve account information.

Example response

{
  "account": {
    "account_id": "123556546",
    "available_balance": "100.00",
    "balance": "150.00",
    "bonus_balance": "10.00",
    "commission_type": "0.02",
    "currency": "GBP",
    "exposure": "-50.00",
    "is_first_time_deposit": true,
    "signup_date": "2021-01-01T00:00:00.000000"
  }
}