$twillArtist = TwillArtist::create($ta);
$twillArtist->setSlugs();
$twillArtist->save();

$block = [
    'content' => ['content' => ['en' => '<p>THIS IS SOMETHING</p>']],
    'type' => "app-text",
    'position' => 1,
    'editor_name' => 'default',
    'blockable_id' => $twillArtist->id,
    'blockable_type' => TwillArtist::class,
];

$blocked = Block::create($block);