Create VertoFx Payment Request

curl --request POST \
  --url https://server26-dot-royalti-project.uc.r.appspot.com/integrations/vertofx/payment-requests \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "beneficiaryId": "<string>",
  "amount": 123,
  "currency": "<string>",
  "walletId": "<string>",
  "reference": "<string>",
  "memo": "<string>"
}'

{
  "success": true,
  "message": "Payment request created successfully",
  "data": {
    "paymentId": "vfx-payment-123",
    "status": "pending"
  }
}