curl --request GET \
  --url http://localhost:8000/issuers/{issuer_id}

{
  "created_at": "2024-01-01T00:00:00Z",
  "direccion_matriz": "Av. Principal 123 y Secundaria, Quito, Ecuador",
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "is_active": true,
  "legal_representative": "Jane Doe",
  "nombre_comercial": "Ejemplo Corp",
  "razon_social": "EMPRESA EJEMPLO S.A.",
  "ruc": "1234567890001",
  "sri_environment": "TEST",
  "tenant_id": "660e8400-e29b-41d4-a716-446655440000",
  "tipo_contribuyente": "General",
  "updated_at": "2024-01-01T00:00:00Z"
}