Patient advocate startup Solace is set to be valued at over $300 million in new funding round from Menlo Ventures.Solace is raising a Series B funding round led by Menlo Ventures to simplify tasks like scheduling and payments in healthcare.The new round values Solace at more than $300 million, with a target raise of around $40 million.Solace connects Medicare patients with healthcare advocates and provides virtual support for over 100 conditions.