{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950793,-0.309828,0.000000,0.000000,0.172870,-0.530499,0.829872,0.000000,-0.256578,0.787380,0.560536,0.000000,-1638211.446130,5027308.746583,3554980.816542,1],    "boundingVolume": {    "region": [1.885750,0.594975,1.885866,0.595090,0.000000,8.415519]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1448305.b3dm"}}}