{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858221,-0.513280,0.000000,0.000000,0.262909,-0.439592,0.858858,0.000000,-0.440055,0.735786,0.514753,0.000000,-2809224.052341,4697112.331271,3264080.798273,1],    "boundingVolume": {    "region": [2.109717,0.540657,2.109881,0.540782,0.000000,73.722900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_428270.b3dm"}}}