how to trans humanml3d to humanmlp3d？

Hello, Jiawei, thank you very much for your excellent work！！how do you convert the raw Huamanml3d dataset (formatted as (batch, seqlen, 263)) to your current humanlplm3d? Can you provide the conversion code? Also, the humanpml3d data has a dimension of 247. What information does it consist of?