{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897943,-0.440112,0.000000,0.000000,0.282494,-0.576362,0.766814,0.000000,-0.336548,0.686645,0.644402,0.000000,-2149538.284676,4385616.538867,4088256.529073,1],    "boundingVolume": {    "region": [2.026456,0.700207,2.026583,0.700276,0.000000,8.325153]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_883940.b3dm"}}}