{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950220,-0.311578,0.000000,0.000000,0.174259,-0.531438,0.828980,0.000000,-0.257747,0.786053,0.561861,0.000000,-1645688.660419,5018857.788835,3563401.455870,1],    "boundingVolume": {    "region": [1.887574,0.596541,1.887726,0.596726,0.000000,7.547323]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1328631.b3dm"}}}