{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950599,-0.310422,0.000000,0.000000,0.173613,-0.531652,0.828978,0.000000,-0.256790,0.786364,0.561863,0.000000,-1639576.238699,5020848.627250,3563414.486298,1],    "boundingVolume": {    "region": [1.886384,0.596586,1.886482,0.596685,0.000000,14.679444]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1393451.b3dm"}}}