{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950494,-0.310742,0.000000,0.000000,0.173348,-0.530236,0.829940,0.000000,-0.257356,0.787198,0.560435,0.000000,-1643178.400536,5026144.476467,3554339.007261,1],    "boundingVolume": {    "region": [1.886678,0.594838,1.886861,0.594984,0.000000,8.820825]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1449177.b3dm"}}}