{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898755,-0.438452,0.000000,0.000000,0.283248,-0.580612,0.763322,0.000000,-0.333740,0.684111,0.648544,0.000000,-2131639.937890,4369512.819582,4114608.219531,1],    "boundingVolume": {    "region": [2.024589,0.705611,2.024754,0.705730,0.000000,17.268650]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1832874.b3dm"}}}