A method and apparatus for video coding comprising computer code configured to cause at least one processor to perform obtaining an input video stream, generating a coded video bitstream based on the input video stream using a neural network, the coded video bitstream including a plurality of supplemental enhancement information (SEI) messages and blocks, determining a plurality of pieces of neural network topology information associated with the neural network, and signaling the determined plurality of pieces of neural network topology information in a plurality of syntax elements associated with the coded video bitstream.