createMeta abstract method
Creates a Meta instance from explicit components.
pKey is the public key for the entity.
seed is the optional seed/entity name (used for fingerprint).
fingerprint is the optional pre-generated fingerprint (signature of seed).
Returns a new Meta instance (validation via Meta.isValid recommended).
Implementation
Meta createMeta(VerifyKey pKey, {String? seed, TransportableData? fingerprint});