mcpe entity models

foo.json

"geometry.chicken": {
    "texturewidth": 64,
    "textureheight": 32,
    "bones": [
      {
        "name": "head",
        "pivot": [ 0.0, 9.0, -4.0 ],
        "rotation": [ 0.0, 0.0, 0.0 ],
        "cubes": [
          {
            "origin": [ -2.0, 9.0, -6.0 ],
            "size": [ 4.0, 6.0, 3.0 ],
            "uv": [ 0, 0 ]
          }
        ]
      },
      {
        "name": "beak",
        "pivot": [ 0.0, 9.0, -4.0 ],
        "rotation": [ 0.0, 0.0, 0.0 ],
        "cubes": [
          {
            "origin": [ -2.0, 11.0, -8.0 ],
            "size": [ 4.0, 2.0, 2.0 ],
            "uv": [ 14, 0 ]
          }
        ]
      },
      {
        "name": "comb",
        "pivot": [ 0.0, 9.0, -4.0 ],
        "rotation": [ 0.0, 0.0, 0.0 ],
        "cubes": [
          {
            "origin": [ -1.0, 9.0, -7.0 ],
            "size": [ 2.0, 2.0, 2.0 ],
            "uv": [ 14, 4 ]
          }
        ]
      },
      {
        "name": "body",
        "pivot": [ 0.0, 8.0, 0.0 ],
        "rotation": [ 0.0, 0.0, 0.0 ],
        "cubes": [
          {
            "origin": [ -3.0, 4.0, -3.0 ],
            "size": [ 6.0, 8.0, 6.0 ],
            "uv": [ 0, 9 ]
          }
        ]
      },
      {
        "name": "leg0",
        "pivot": [ -2.0, 5.0, 1.0 ],
        "rotation": [ 0.0, 0.0, 0.0 ],
        "cubes": [
          {
            "origin": [ -3.0, 0.0, -2.0 ],
            "size": [ 3.0, 5.0, 3.0 ],
            "uv": [ 26, 0 ]
          }
        ]
      },
      {
        "name": "leg1",
        "pivot": [ 1.0, 5.0, 1.0 ],
        "rotation": [ 0.0, 0.0, 0.0 ],
        "cubes": [
          {
            "origin": [ 0.0, 0.0, -2.0 ],
            "size": [ 3.0, 5.0, 3.0 ],
            "uv": [ 26, 0 ]
          }
        ]
      },
      {
        "name": "wing0",
        "pivot": [ -3.0, 11.0, 0.0 ],
        "rotation": [ 0.0, 0.0, 0.0 ],
        "cubes": [
          {
            "origin": [ -4.0, 7.0, -3.0 ],
            "size": [ 1.0, 4.0, 6.0 ],
            "uv": [ 24, 13 ]
          }
        ]
      },
      {
        "name": "wing1",
        "pivot": [ 3.0, 11.0, 0.0 ],
        "rotation": [ 0.0, 0.0, 0.0 ],
        "cubes": [
          {
            "origin": [ 3.0, 7.0, -3.0 ],
            "size": [ 1.0, 4.0, 6.0 ],
            "uv": [ 24, 13 ]
          }
        ]
      }
    ]
  },