ETB: /wECAQEEAoE9AgEH3gcWSQjmVQ1pZEBzYW1wbGUuY29tedqBfFDZ1rYtN6MnduFHbSvpVKZrN+diJpKKOfhTiPxY5D3ipdQBgBecVlOekrqqcL9S2MzNv1ZOh6bNkbJMsUmEEWzEI7OX2lbh/1KzswLN2WhofJzUOggdJPHOfGXsZwg4wxuidIxI1EmmjaQ2/4qJl5R58KxaqZLCW5Lvo28AMYVGtaAVxo8sHVfnMyxQffxtejlOSsttVbirJ1r1T7IAALQ8

Track1:
B343874849668^UHJJNQLG/VKKAWCEHSXOTDH^1108992EPllbcW0DiRGNG

Track2:
343874849668=1108992lGXBlq43

PAN:
34387471219668

Output:

{
  "mid": null,
  "pan": "34387456959668",
  "track1": "B34387456959668^UHJJNQLG/VKKAWCEHSXOTDH^1108992852998466640",
  "track2": "34387456959668=1108992466640",
  "track3": null
}

ETB: /wECAQEEAoE9AgEH4QUSSQjmVQ1pZEBzYW1wbGUuY29tbweESlZKNhOJsPSvnCpz1wXrTFe+mGZrMPdVHWbOYT3oed2tk52LQOGN+DInWyfvnQQ1oDeXwNtCKcSM/ekHSAMpEu+Z8SWCcVXeSzgQHmHDLRdu1Q6WlBAdiduiIYZKul/loGqKk7RkrhKTGk8ezqs8WK5QMz0Wy0J3oHv46gUArD9rCQPT4e0X7/Kzwkb9bMwc/XQPlNhaM9EyQotMTt1QQIvI

Retrieve Track2 from terminal (don't put it to Track2 form field, it must be empty!):
5541031536136427=1412=16726725

Track2 need to be splitted by = character, as result first part will be encrypted PAN, second part year/month, third part is encrypted CVV or MID:

PAN:
5541031536136427

MID:
16726725

Output:

{
  "mid": "34687123",
  "pan": "5541032000006427",
  "track1": null,
  "track2": null,
  "track3": null
}