assetsproperty of the scenario aren't asset objects, but JSON schemas defining the properties available for the asset once instantiated in the process.
titleproperty. If this property exist, it's copied from the JSON schema.
additionalPropertiesis set in the actor definition.
definitionsproperty contains a set of immutable assets. Unlike the
assetsproperty, the items aren't JSON schemas but (instantiated) asset objects. These are simply copied to the process.