{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950461,-0.310844,0.000000,0.000000,0.173847,-0.531570,0.828982,0.000000,-0.257140,0.786253,0.561858,0.000000,-1641811.455889,5020139.565241,3563384.530058,1],    "boundingVolume": {    "region": [1.886828,0.596581,1.886926,0.596680,0.000000,19.090562]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1393316.b3dm"}}}