I have such subscription:

Subscription: {
    personUpdate: {
      subscribe: (parent, args, context, info) => {
        return context.prisma.subscription.person({}, info);
      },
    },
  },

How can I detect was person created or deleted on the frontend? I receive completely same data when person was created or deleted

you can query

mutation

@nilan hmm, I don't really understand. Could u explain better?