=== REQUEST ===
POST https://api.rootvabd.com/payment_sms_hook.php
X-Device-Id: COLLECTOR_DEVICE_001
X-Signature: nEXRXceJYZMmSLUIBTqsHKQ3OVdLrs6pGQkCWCYMkw8=
Body: {"gateway":"bkash","sender":"BKASH","account_number":"017XXXXXXXX","transaction_id":"ABC123","amount":500,"raw_text":"demo","received_at":"2025-12-06 02:52:41"}

=== RESULT ===
HTTP Code: 500

HTTP/2 500 
x-powered-by: PHP/8.4.14
content-type: application/json; charset=utf-8
content-length: 42
date: Sat, 06 Dec 2025 02:52:41 GMT
server: LiteSpeed

{"success":false,"message":"Server error"}