fileKey from the presignedcurl --location 'https://api.opensylo.com/api/v1/marketplace-api/merchants/mkt_merchant_8421/documents' \
--header 'X-OpenSylo-Secret-Key: <api-key>' \
--header 'Content-Type: application/json' \
--data '{
"documentType": "CAC_CERTIFICATE",
"fileName": "cac_certificate.pdf",
"fileKey": "string",
"fileSize": "524288",
"mimeType": "application/pdf"
}'{
"statusCode": 400,
"message": "string",
"error": "Bad Request"
}