{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950742,-0.309983,0.000000,0.000000,0.173095,-0.530898,0.829570,0.000000,-0.256612,0.787049,0.560985,0.000000,-1638432.809782,5025202.591750,3557836.216386,1],    "boundingVolume": {    "region": [1.885914,0.595518,1.886029,0.595632,0.000000,8.784200]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/10_1448970.b3dm"}}}