{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949221,-0.314609,0.000000,0.000000,0.175944,-0.530848,0.829002,0.000000,-0.260262,0.785247,0.561828,0.000000,-1661740.368391,5013712.990412,3563195.963576,1],    "boundingVolume": {    "region": [1.890790,0.596583,1.890892,0.596605,0.000000,9.793084]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/9_1418937.b3dm"}}}