This seems on point, having curiosity (and potentially summarising what they're saying) is a good way to demonstrate understanding. Much more believable than saying "I understand".
Chris Voss (author of Never Split the Difference) recommends a similar strategy. He often says that having the mindset of genuine curiosity is a great hack for having emotional control during a negotiation and potentially getting into flow state.
Chris Voss (author of Never Split the Difference) recommends a similar strategy. He often says that having the mindset of genuine curiosity is a great hack for having emotional control during a negotiation and potentially getting into flow state.