{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897927,-0.440144,0.000000,0.000000,0.282558,-0.576439,0.766733,0.000000,-0.336536,0.686560,0.644499,0.000000,-2149465.749645,4385072.968569,4088873.531836,1],    "boundingVolume": {    "region": [2.026492,0.700333,2.026619,0.700402,0.000000,14.472785]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/3_852436.b3dm"}}}