{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897792,-0.440420,0.000000,0.000000,0.282791,-0.576468,0.766625,0.000000,-0.336699,0.686359,0.644628,0.000000,-2150506.257019,4383790.650861,4089695.801988,1],    "boundingVolume": {    "region": [2.026799,0.700503,2.026926,0.700571,0.000000,34.932402]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_857045.b3dm"}}}