S1 L1-GRD product availibility timeline

Hello, all,
Does anybody hav an idea about the timeline regarding S1 L1 GRD 's availibility on the ESA plateform ?
The Copeornicus website shows a 24 h delay for everybody but also a 1h delay under subsritpion:

Copernicus data availibitlty timeline
Does anyone know how to get access to datsets within 1H , or how to subscribe to this acces ?