{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950266,-0.311439,0.000000,0.000000,0.173930,-0.530699,0.829522,0.000000,-0.257802,0.786610,0.561055,0.000000,-1646032.362671,5022399.768820,3558283.054534,1],    "boundingVolume": {    "region": [1.887453,0.595602,1.887553,0.595719,0.000000,8.692942]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1344045.b3dm"}}}