Get signed preview URL for a KYC document
curl --request GET \
--url https://app.mlm-platform.com/api/v1/admin/kyc/documents/{documentId} \
--header 'x-tenant-api-key: <api-key>'
{
"documentId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
"fileUrl": "<string>",
"expiresInSeconds": 123,
"mimeType": "<string>",
"fileName": "<string>"
}