How to generate JSON Date Format in OB2?

[ZEUS]

it’s like this

2018-12-10T13:49:51.141Z

[qMp]

BLOCK:CurrentUnixTime
=> VAR @currentUnixTimeOutput
ENDBLOCK

BLOCK:UnixTimeToISO8601
unixTime = @currentUnixTimeOutput
=> VAR @unixTimeToISO8601Output
ENDBLOCK