{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949300,-0.314371,0.000000,0.000000,0.175476,-0.529881,0.829719,0.000000,-0.260292,0.785998,0.560763,0.000000,-1661927.073367,5018490.570239,3556422.400352,1],    "boundingVolume": {    "region": [1.890522,0.595253,1.890659,0.595360,0.000000,8.762143]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/2_1368395.b3dm"}}}