Buscar comprador por CPF/CNPJ

{
    "id": "string",
    "status": "new",
    "resource": "string",
    "account_balance": 0,
    "current_balance": 0,
    "first_name": "string",
    "last_name": "string",
    "email": "string",
    "phone_number": "string",
    "taxpayer_id": "string",
    "birthdate": "string",
    "description": "string",
    "address": {
        "line1": "string",
        "line2": "string",
        "line3": "string",
        "neighborhood": "string",
        "city": "string",
        "state": "string",
        "postal_code": "string",
        "country_code": "string"
    },
    "delinquent": true,
    "default_debit": "string",
    "default_credit": "string",
    "metadata": {},
    "created_at": "2019-08-24T14:15:22Z",
    "updated_at": "2019-08-24T14:15:22Z"
}