Hi @TestSolace, as @himanshu says, what you plan to use your digital twin for will make a huge difference.
Are you trying to create a digital of the appliance?
Or are you creating a digital twin of some other system and want to know if an event broker can be used for that? (If so, the answer is a definite yes. This article gives an insight in to how event brokers were used to create digital twins in supply chain).