{“Store”:“GooglePlay”,“TransactionID”:“gngdnfoanigifbaacjgpmopc.AO-J1Oy1NIZPuSGEOdN5286TCI6j9Jx2tfvN8OInUTZmP8Yx7ijGNozDsD-XVcAorUz7B1xbdTxYjBFuwOQDVbqEWcKoJ3fCEg”,“Payload”:“{"json":"{\"orderId\":\"GPA.3319-2884-1346-59366\",\"packageName\":\"com.zenga.hoc68\",\"productId\":\"com.zenga.hoc68.month3\",\"purchaseTime\":1616742317643,\"purchaseState\":0,\"purchaseToken\":\"gngdnfoanigifbaacjgpmopc.AO-J1Oy1NIZPuSGEOdN5286TCI6j9Jx2tfvN8OInUTZmP8Yx7ijGNozDsD-XVcAorUz7B1xbdTxYjBFuwOQDVbqEWcKoJ3fCEg\",\"autoRenewing\":true,\"acknowledged\":false}","signature":"P9ahBUutC6nBKzx/4q6d6PBWPRm5uNwg6SMufRL/35NjPJkGdJZJ+M4nn1QLk8IkB1u+IuuXpPUr9M75CLFhNMrusOJo1CEdptqZMLJPyMv+qZvfzoh0674uRPJEZ6BVdtgtoq4vGaz/4L1Zajpt70iCICfp0czdLySzlJ8obDccvo6vkdLFK6TQiE1us+JVDgHHSLZQfS4iMZ8YyY7Y6SlSJrXTJFF6/EgNQeRYYgIREOs70qNnkdOZFbILPJJwnbhcWqgplbUvcTP5G34s7BmkhZ63HPbWhgt/29I6QlExgK4Dvq6WBBcwOgn8ldfPv7cT7M+rGC+G16y6RLefSQ==","skuDetails":"{\"productId\":\"com.zenga.hoc68.month3\",\"type\":\"subs\",\"price\":\"63.444\u00a0\u20ab\",\"price_amount_micros\":63443930080,\"price_currency_code\":\"VND\",\"subscriptionPeriod\":\"P3M\",\"title\":\"3 months (H68)\",\"description\":\"3 months\",\"skuDetailsToken\":\"AEuhp4J5hQE4p_Fi51BqKD–doItQmdO2BgrXoGtxxdJI_zbuj_g0ocITpIVgdDSChw=\"}"}”}
That is the correct receipt format, It’s in nested JSON format, you can paste it here to confirm http://jsonviewer.stack.hu/