src/Formio/Service/SubmissionService.php
public function get($form, $id): Submission
    {
        $object = $this->execute('GET', 'http://www.mocky.io/v2/592c4353110000e3026df7f8');
        /** @var \Ds\Component\Formio\Model\Submission $model */
        $model = static::toModel($object);

        return $model;
    }
public function get($form, $id): Submission
    {
        $object = $this->execute('GET', 'http://www.mocky.io/v2/592c4353110000e3026df7f8');
        /** @var \Ds\Component\Formio\Model\Submission $model */
        $model = static::toModel($object);

        return $model;
    }
Get submission

@param string $form
@param string $id
@return \Ds\Component\Formio\Model\Submission