voxelcore/res/content/base/skeletons/player.json

{
  "root": {
    "nodes": [
      {
        "name": "body",
        "model": "player-body",
        "nodes": [
          {
            "name": "head",
            "model": "player-head",
            "offset": [0, 0.4, 0]
          },
          {
            "name": "item",
            "offset": [0.26, 0, -0.23]
          }
        ]
      }
    ]
  }
}