public function createNew(
        int $sourceId,
        string $name,
        $value,
        $type = null
    ) : array {
        if ($type === null) {
            $type = $this->typeInfer($value);
        }

        return $this->sendPost(
            sprintf('/profiles/%s/features', $this->userName),
            [],
            [
                'source_id' => $sourceId,
                'name'      => $name,
                'value'     => $value,
                'type'      => $type
            ]
        );
    }