{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949103,-0.314965,0.000000,0.000000,0.175994,-0.530334,0.829320,0.000000,-0.260657,0.785454,0.561355,0.000000,-1664261.060487,5015026.983309,3560189.362554,1],    "boundingVolume": {    "region": [1.891147,0.595969,1.891284,0.596076,0.000000,11.710358]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1360357.b3dm"}}}