{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950062,-0.312062,0.000000,0.000000,0.174163,-0.530232,0.829772,0.000000,-0.258397,0.786679,0.560684,0.000000,-1649825.813042,5022836.546233,3555924.796575,1],    "boundingVolume": {    "region": [1.888077,0.595146,1.888241,0.595278,0.000000,8.820070]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1454089.b3dm"}}}