{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950234,-0.311538,0.000000,0.000000,0.173918,-0.530474,0.829668,0.000000,-0.257930,0.786723,0.560838,0.000000,-1646848.882016,5023115.810630,3556903.532247,1],    "boundingVolume": {    "region": [1.887558,0.595340,1.887657,0.595456,0.000000,8.798471]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1454642.b3dm"}}}