Domain\Student\Student::getPayer PHP Method

    public function getPayer()
    {
        return json_encode(['nome' => $this->responsible, 'endereco' => $this->street . ', ' . $this->number . ' ' . $this->complement, 'cep' => $this->postcode, 'uf' => $this->stateAbbr, 'cidade' => $this->city, 'documento' => $this->cpf_responsible]);
    }