Capability can only be delegated (but not invoked) allowing audience to
derived any voucher/ prefixed capability for the (memory) space identified
by did:key in the with field.
Currently DID in the with field will always be web3.storage DID since we
do not support other types of vouchers yet.
Capability can only be delegated (but not invoked) allowing audience to derived any
voucher/prefixed capability for the (memory) space identified by did:key in thewithfield.Currently DID in the
withfield will always be web3.storage DID since we do not support other types of vouchers yet.