{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950659,-0.310237,0.000000,0.000000,0.173585,-0.531917,0.828814,0.000000,-0.256586,0.786257,0.562107,0.000000,-1638277.040412,5020164.968519,3564964.452299,1],    "boundingVolume": {    "region": [1.886156,0.596846,1.886322,0.597015,0.000000,7.794818]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1326826.b3dm"}}}