FrontToken: ********************{
"file": "string"
}curl --location --request POST '/front/arxiv/upload' \
--header 'FrontToken: <api-key>' \
--header 'Content-Type: application/json' \
--data-raw '{
"file": "string"
}'{
"error": true,
"data": {},
"success": true,
"warn": true,
"empty": true,
"property1": {},
"property2": {}
}