{
"guid": "string",
"file_id": "string",
"file_name": "string"
}curl --location '/cdn/big_download' \
--header 'Content-Type: application/json' \
--data '{
"guid": "string",
"file_id": "string",
"file_name": "string"
}'{
"error_code": 0,
"error_message": "string",
"data": {
"fileUrl": "string"
}
}