bonemappings.json

{
    "chest": "mixamorig:Spine1",
    "head": "mixamorig:Head",
    "hips": "mixamorig:Hips",
    "leftFoot": "mixamorig:LeftFoot",
    "leftHand": "mixamorig:LeftHand",
    "leftLowerArm": "mixamorig:LeftForeArm",
    "leftLowerLeg": "mixamorig:LeftLeg",
    "leftUpperArm": "mixamorig:LeftArm",
    "leftUpperLeg": "mixamorig:LeftUpLeg",
    "neck": "mixamorig:Neck",
    "rightFoot": "mixamorig:RightFoot",
    "rightHand": "mixamorig:RightHand",
    "rightLowerArm": "mixamorig:RightForeArm",
    "rightLowerLeg": "mixamorig:RightLeg",
    "rightUpperArm": "mixamorig:RightArm",
    "rightUpperLeg": "mixamorig:RightUpLeg",
    "spine": "mixamorig:Spine"
}