protected function prepareBody(array $query)
    {
        $method = isset($query['from']['method']) ? $query['from']['method'] : null;

        if ($method === 'POST') {
            // The query grammar already parsed the body for us.
            // We return the value of the query and guzzle does the rest.
            return isset($query['body']) ? $query['body'] : null;
        }
    }