In the resources section, we referred to resources as messages.
In the Offering data section, there's a createdAt field. This field is already present in the metadata, and doesn't need to be in the Offering itself. Confirmed in the Kotlin repository that this isn't present on the OfferingData itself.
Couple of small fixes to the protocol README:
createdAtfield. This field is already present in the metadata, and doesn't need to be in the Offering itself. Confirmed in the Kotlin repository that this isn't present on the OfferingData itself.