{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949415,-0.314025,0.000000,0.000000,0.175523,-0.530672,0.829204,0.000000,-0.259843,0.785600,0.561528,0.000000,-1659063.006851,5015963.714923,3561288.253765,1],    "boundingVolume": {    "region": [1.890177,0.596191,1.890275,0.596272,0.000000,8.781512]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1443651.b3dm"}}}