[Docs] How read json file of human 3d inference model?

[jamespoly862]

📚 The doc issue

I have the name of keypoints but i don't understand the three values of each keypoint in the json file.

Suggest a potential alternative/fix

Explain three values of each keypoint

[jamespoly862]

I don't find the z value, the third shoud be y, the first x but the second?