vN label; an empty string clears it. fileId is the id of the version to label.curl --location --request PATCH 'https://api.pibox.com/api/v2/files//version-label' \
--header 'Content-Type: application/json' \
--data '{
"label": "string"
}'{
"object": "string",
"data": {
"property1": "string",
"property2": "string"
},
"property1": "string",
"property2": "string"
}