{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950522,-0.310656,0.000000,0.000000,0.173422,-0.530625,0.829676,0.000000,-0.257202,0.786969,0.560828,0.000000,-1642200.769976,5024685.901256,3556835.379543,1],    "boundingVolume": {    "region": [1.886630,0.595327,1.886729,0.595443,0.000000,8.462385]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/0/9_1450770.b3dm"}}}