{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897629,-0.440752,0.000000,0.000000,0.282966,-0.576285,0.766698,0.000000,-0.336986,0.686300,0.644541,0.000000,-2152335.696525,4383416.227818,4089138.458098,1],    "boundingVolume": {    "region": [2.027169,0.700388,2.027296,0.700457,0.000000,13.888175]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_855121.b3dm"}}}