{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897802,-0.440400,0.000000,0.000000,0.282853,-0.576627,0.766483,0.000000,-0.336621,0.686238,0.644798,0.000000,-2150009.494216,4383022.550444,4090772.848976,1],    "boundingVolume": {    "region": [2.026777,0.700724,2.026904,0.700793,0.000000,33.870577]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_859500.b3dm"}}}