{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898772,-0.438417,0.000000,0.000000,0.283225,-0.580623,0.763322,0.000000,-0.333713,0.684125,0.648544,0.000000,-2131468.038144,4369596.066683,4114608.861885,1],    "boundingVolume": {    "region": [2.024550,0.705611,2.024715,0.705730,0.000000,17.268650]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1832871.b3dm"}}}