Possible Results:
suscribías
-you were signing
Imperfect conjugation of suscribir.
suscribías
-you were signing
Imperfect vos conjugation of suscribir.

suscribir

En el formulario online que rellenaste seguramente había una casilla marcada previamente por la que suscribías el seguro.
The online form you completed probably included a pre-ticked box covering insurance.
Word of the Day
to pour