curl --location --request POST 'https://api.flashcat.cloud/api/n9e-plus/label-mapping-file-upload' \
--header 'Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhY2Nlc3NfdXVpZCI6IjdjMGM4YmQyLTExOTYtNDlmYS04YzY0LWE0NDE2ODQ4NTUzYSIsImF1dGhvcml6ZWQiOnRydWUsImV4cCI6MTc0OTg4ODQ4MCwidXNlcl9pZGVudGl0eSI6IjEtcm9vdCJ9._S1Isb29viOhHyVrjbwIUjPZnNQXewmb4zftVeqbFpA' \
--header 'X-User-Token: <api-key>' \
--form 'file=@""'{
"err": "string",
"dat": {
"filename": "string"
}
}