This specific issue happens with activity type code 2 which is form fill out activity especially dealing with downloading attributes. Few other activity types seems to be working fine. We use Snaplogic as a middleware.. not python..Any pointers plz?
Also, this is in the wrong space. You need to move the thread to https://nation.marketo.com/t5/Products/ct-p/products which is the correct support area.
Likely you're misinterpreting the inner form payload as JSON, when it's actually PHP object serialization format.
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