fixup! simplify load_json into load_json_attributes and load_sid_attributes so that differences in encoding of prior-signed-voucher-request in constrained vouchers vs JSON ones
fixup! simplify load_json into load_json_attributes and load_sid_attributes so that
differences in encoding of prior-signed-voucher-request in constrained vouchers vs JSON ones

mcr/ChariWTs,mcr/ChariWTs,mcr/ChariWTs