<?php
$json = <<<EOT
{"Store":"GooglePlay","TransactionID":"GPA.3342-9814-8366-27273","Payload":"{\"json\":\"{\\\"orderId\\\":\\\"GPA.3342-9814-8366-27273\\\",\\\"packageName\\\":\\\"com.blayzegames.iosfps\\\",\\\"productId\\\":\\\"com.blayzegames.iosfps.goldtierone\\\",\\\"purchaseTime\\\":1606718938106,\\\"purchaseState\\\":0,\\\"developerPayload\\\":\\\"{\\\\\\\"developerPayload\\\\\\\":\\\\\\\"\\\\\\\",\\\\\\\"is_free_trial\\\\\\\":false,\\\\\\\"has_introductory_price_trial\\\\\\\":false,\\\\\\\"is_updated\\\\\\\":false,\\\\\\\"accountId\\\\\\\":\\\\\\\"\\\\\\\"}\\\",\\\"purchaseToken\\\":\\\"PURCHASE_TOKEN\",\"skuDetails\":\"{\\\"productId\\\":\\\"com.blayzegames.iosfps.goldtierone\\\",\\\"type\\\":\\\"inapp\\\",\\\"price\\\":\\\"₹260.00\\\",\\\"price_amount_micros\\\":260000000,\\\"price_currency_code\\\":\\\"INR\\\",\\\"title\\\":\\\"500 Gold (Bullet Force)\\\",\\\"description\\\":\\\"500 in-game Gold to be used for buying other in-game things\\\",\\\"skuDetailsToken\\\":\\\"SKU\\\"}\",\"isPurchaseHistorySupported\":true}"}
EOT;
var_dump(json_decode($json), json_last_error_msg());
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
NULL
string(12) "Syntax error"