.net 获取application/json参数

[HttpPost]
public async Task<dynamic> GetUserLogsPages([FromBody] JsonObject data)
{
var pageIndex = (int?)data["pageIndex"];
var pageSize = (int?)data["pageSize"];
var userName= (string?)data["key"]?["userName"];
var ip = (string?)data["key"]?["ip"];
var date = data["key"]?["date"]?.AsArray()?.Select(x => x?.ToString())?.ToArray();
Console.WriteLine(date);
return await userService.GetPages(1, 10);
}