<?php
$data = '{"32":{"name":"Price File Jan 2022.xlsx","datastartingrow":"1"},"33":{"name":"Price File Feb 2022.xlsx","datastartingrow":"2"}}';

$decoded = json_decode($data, true);

foreach($decoded as $key => $element){
  echo 'element key is '.$key.' and item is '. json_encode($element). ' |||||||||||||||||| ' ;
}

?>