{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858506,-0.512804,0.000000,0.000000,0.262358,-0.439224,0.859215,0.000000,-0.439831,0.736339,0.514153,0.000000,-2807789.442278,4700631.706048,3260272.222492,1],    "boundingVolume": {    "region": [2.109162,0.539957,2.109326,0.540083,0.000000,37.997166]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/4_126311.b3dm"}}}