world-game/site/templates/about.json.php

<?php

$bodyBlocks = [];
foreach ($page->body()->toBlocks() as $block) {
    if ($block->type() === 'text') {
        $bodyBlocks[] = [
            'type' => 'text',
            'html' => $block->content()->text()->value()
        ];
    }
}

$specificData = [
    'heading'  => $page->heading()->value(),
    'subtitle' => $page->subtitle()->value(),
    'body'  => $bodyBlocks,
    'team'  => $page->files()->template('member')->sort('sort')->map(function ($file) {
        return [
            'name'  => $file->memberName()->value(),
            'role'  => $file->role()->value(),
            'photo' => $file->url(),
        ];
    })->values()
];

$pageData = array_merge($genericData, $specificData);

header('Content-Type: application/json');
echo json_encode($pageData);