{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950871,-0.309586,0.000000,0.000000,0.172721,-0.530502,0.829901,0.000000,-0.256387,0.787473,0.560492,0.000000,-1636991.262357,5027902.094357,3554705.600381,1],    "boundingVolume": {    "region": [1.885496,0.594923,1.885612,0.595037,0.000000,8.360456]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/5_1341548.b3dm"}}}