By default Unknown/Unknown TPA will get executed for any inbound/outbound TN Transactions, if you want set a specific TPA. you need to create TPA and get it execueted in code based on agreementID and map the values.
I can see the entry in ‘Activity log’ as document persist (only this entry, not more than this). BTW, we are in 8.0, whereas the RN/entire system got migrated from 6.5. I can see all PIP installed (packages). Your views please.