curl --location 'https://9f9l4tky3g.execute-api.us-east-1.amazonaws.com/dev/pragma/files/files/presigned-urls-by-files?fileNames=undefined' \
--header 'Authorization;'{
"property1": {
"uploadPresignedUrl": "string",
"downloadPresignedUrl": "string",
"fileKey": "string"
},
"property2": {
"uploadPresignedUrl": "string",
"downloadPresignedUrl": "string",
"fileKey": "string"
}
}