Another brave yet misguided attempt – tried to get closer to your example above – am I getting close?
<?php
if( get_field('notes_added') )
{
while( has_sub_field('user_meta') )
{
$values = get_sub_field('user_meta');
$content = get_sub_field('note_text');
echo '<h1>Notes</h1><table>';
foreach($values as $value)
{
echo '<tr><td>' . $value['nickname'] . '</td> <td>'.$content. '</td></tr>';
}
echo '</table>';
}
}
?>