{
"amount": "string",
"article_id": "string",
"email": "string",
"order_type": "string",
"payment_method": "string",
"plan_id": null,
"subject": "string"
}curl --location --request POST '/pay/create' \
--header 'Content-Type: application/json' \
--data-raw '{
"amount": "string",
"article_id": "string",
"email": "string",
"order_type": "string",
"payment_method": "string",
"plan_id": null,
"subject": "string"
}'{
"code": 0,
"data": null,
"message": "string"
}