{
  "_comment": "CMU mocap (MotionBuilder-friendly BVH conversion) -> mixamorig. null = skip that source bone.",
  "Hips": "mixamorig:Hips",
  "LowerBack": "mixamorig:Spine",
  "Spine": "mixamorig:Spine1",
  "Spine1": "mixamorig:Spine2",
  "Neck": "mixamorig:Neck",
  "Neck1": null,
  "Head": "mixamorig:Head",
  "LeftShoulder": "mixamorig:LeftShoulder",
  "LeftArm": "mixamorig:LeftArm",
  "LeftForeArm": "mixamorig:LeftForeArm",
  "LeftHand": "mixamorig:LeftHand",
  "LeftFingerBase": null,
  "LeftHandIndex1": null,
  "LThumb": null,
  "RightShoulder": "mixamorig:RightShoulder",
  "RightArm": "mixamorig:RightArm",
  "RightForeArm": "mixamorig:RightForeArm",
  "RightHand": "mixamorig:RightHand",
  "RightFingerBase": null,
  "RightHandIndex1": null,
  "RThumb": null,
  "LHipJoint": null,
  "LeftUpLeg": "mixamorig:LeftUpLeg",
  "LeftLeg": "mixamorig:LeftLeg",
  "LeftFoot": "mixamorig:LeftFoot",
  "LeftToeBase": "mixamorig:LeftToeBase",
  "RHipJoint": null,
  "RightUpLeg": "mixamorig:RightUpLeg",
  "RightLeg": "mixamorig:RightLeg",
  "RightFoot": "mixamorig:RightFoot",
  "RightToeBase": "mixamorig:RightToeBase"
}