{
  "adm_in_channels": 2560,
  "model_channels": 384,
  "channel_mults": [1, 2, 4, 4], 
  "num_head_channels": 64,
  "transformer_depths": [4, 4, 4, 4], 
  "context_dim": 1280, 
  "is_refiner": true
}