This has seemed to me for a while the right approach (gravity from quantum mechanics, vs. quantized gravity). Can anyone speculate on the discovery of "gravitat

This has seemed to me for a while the right approach (gravity from quantum mechanics, vs. quantized gravity). Can anyone speculate on the discovery of "gravitational waves" - i.e. in a quantum mechanical description, what are gravity waves made of? A sort of quantized spread of entanglement?