The registrations, newest state included.
Sends GET /v1/derivatives/questions?derivedScope=.... The scope is
required for a builder: it is what the call is authorized against, which
is exactly why the signed proof commits to the query string as well as the
path. The target is built once and used for both, so the signature and the
request can never name different scopes.
List the questions this builder registered on a derived scope.