{
"username": "string",
"password": "string",
"oldPassword": "string"
}
curl --location --request PUT 'http://test-cn.your-api-server.com/api/change_account' \
--header 'Content-Type: application/json' \
--data-raw '{
"username": "string",
"password": "string",
"oldPassword": "string"
}'
{}