curl --request GET \
  --url https://sandbox.tight.com/v6/accounting/glAccounts/{id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "gla_38560327",
    "status": "ACTIVE",
    "name": "Officer(s) Salaries and Wages",
    "accountNo": "60210",
    "parentGlAccount": {
      "id": "gla_38560327",
      "accountNo": "60000",
      "name": "Payroll Expenses"
    },
    "type": "EXPENSE",
    "level": 1,
    "hasChildren": false,
    "balance": 123456,
    "customData": {
      "internal_key": "some_internal_key",
      "some_other_field": 23434
    }
  }
}