{
"objectKey": "string",
"expireSeconds": 0,
"fileName": "string"
}curl --location '/obs/signed-url' \
--header 'Content-Type: application/json' \
--data '{
"objectKey": "string",
"expireSeconds": 0,
"fileName": "string"
}'{
"code": 0,
"msg": "string",
"data": {
"signedUrl": "string",
"expiresAt": "string"
},
"other": {}
}