Change getLatest to include notifications of unique transfers that are not hub-transfers

[louilinn]

To solve CirclesUBI/circles-myxogastria#691
See elaboration on task there

[JacqueGM]

@louilinn we need a bit of your input here, so we need to know if you will take this ticket or one of the backend team

[JacqueGM]

@louilinn we need a bit of your input here, so we need to know if you will take this ticket or one of the backend team

[louilinn]

Not prioritized by product