//There are milliseconds in the input string, so your format should be
//“yyyy-MM-dd’T’HH:mm:ss.SSS”
//Update: If the millisecond part consists of 1, 2, 3 digits or is optional,
//you may use the following format:
@JsonFormat(shape=JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd'T'HH:mm:ss[.SSS][.SS][.S]")
private LocalDateTime updatedTime;