{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858270,-0.513199,0.000000,0.000000,0.262545,-0.439078,0.859233,0.000000,-0.440179,0.736152,0.514124,0.000000,-2810006.831131,4699435.812120,3260087.076389,1],    "boundingVolume": {    "region": [2.109622,0.539923,2.109786,0.540049,0.000000,95.756001]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_128441.b3dm"}}}