{
"user_id": 0,
"file_id": "string",
"file_hash": "string"
}
curl --location --request POST '/get_private_file_url' \
--header 'Content-Type: application/json' \
--data-raw '{
"user_id": 0,
"file_id": "string",
"file_hash": "string"
}'
{
"status": "ok",
"retcode": 0,
"data": {
"url": "string"
}
}