{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949397,-0.314079,0.000000,0.000000,0.175359,-0.530074,0.829621,0.000000,-0.260019,0.785985,0.560909,0.000000,-1660186.404392,5018404.484033,3557350.493275,1],    "boundingVolume": {    "region": [1.890202,0.595350,1.890364,0.595616,0.000000,8.770703]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1367577.b3dm"}}}