Generate Hash for WebPay

curl --location 'https://uatv2be.topconnect.io/v2/topconnect/api/generate_checkout_hash' \
--header 'x-api-key: ak_uat_fb9582267b6fe08d173711d6d2b988bd' \
--header 'X-Timestamp: 1792156524' \
--header 'X-Nonce: a974dae4-f4fc-41c1-bfd0-1eec0d5dc944' \
--header 'X-Signature: 1c5a3c0fda956df7abb05c526169ca56ee8cf24fd1bab6d9e9dc2c140ebe29f2' \
--header 'Content-Type: application/json' \
--data '{
  "success_url": "https//google.com",
  "invoice_number": "ddEibsdc8989",
  "amount": 100,
  "coin_name": "peso",
  "payment_type": "QRPH"
}'