{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950650,-0.310265,0.000000,0.000000,0.173268,-0.530892,0.829537,0.000000,-0.256835,0.786942,0.561034,0.000000,-1639856.248189,5024517.718876,3558145.590598,1],    "boundingVolume": {    "region": [1.886210,0.595577,1.886325,0.595691,0.000000,8.705305]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/11_1423970.b3dm"}}}