Understanding the "establishedAt" key value

[bsantosh909]

If you guys have checked the data file, we have a key called establishedAt.

As per #1 (comment) we decided to with unix timestamp value so that any program can easily parse the data and use it without must hassle.
If anyone is finding it hard to convert the date to unix timestamp, then you can use https://www.unixtimestamp.com/