That field, context_id_bin, specifically, is a binary BLOB in sqlite. So yeah, binary, so gibberish when displayed on the console.
Other fields display just fine
sqlite> select state_id from states limit 10;
56363600
56389430
56414271
56422559
56424038
56425482
56442520
56464745
56487298
56510676
sqlite> select state from states limit 10;
2023-08-16T02:11:31+00:00
2023-08-16T02:11:31+00:00
2023-08-16T02:11:31+00:00
2023-08-16T02:11:31+00:00
2023-08-16T02:11:31+00:00
2023-08-16T02:11:31+00:00
2023-08-16T02:11:31+00:00
2023-08-16T02:11:31+00:00
2023-08-16T02:11:23+00:00
2023-08-16T02:11:31+00:00
sqlite> select state from states order by last_updated_ts DESC limit 10;
in 13:07
above_horizon
1.38
1.1
on
0.33
0.96
15
0.49
0.66