Marker account data written after an asset/collection's core fields once it has at least one plugin, pointing to the PluginRegistryV1 that follows.
PluginRegistryV1
Account discriminator; always Key.PluginHeaderV1.
Key.PluginHeaderV1
The byte offset, within the asset/collection account, at which the PluginRegistryV1 data begins.
Marker account data written after an asset/collection's core fields once it has at least one plugin, pointing to the
PluginRegistryV1that follows.