curl --location --request POST '/v2/invoice/dzh/rz/fpgx' \
--header 'access_token: {{access_token}}' \
--header 'req_date: {{req_date}}' \
--header 'req_sign: {{req_sign}}' \
--header 'Content-Type: application/json' \
--data-raw '{
"invoiceCode": "1100182111",
"invoiceNumber": "01561511",
"billingDate": "2018-04-05",
"totalAmount": "2376.7",
"checkCode": "1111111111",
"flowId": ""
}'