https://docs.digitalearthafrica.org/en/latest/data_specs/GeoMAD_specs.html#Amazon-Web-Services-S3
Here is a dataset that will be very useful. Some of the recent work on structured file access patterns for COGs etc. Make a catalogue? In 96km tiles to be worked out.
There is also a Landsat version, as there is for Australia. With the Sentinel 2 version coming.