{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943968,-0.330038,0.000000,0.000000,0.184390,-0.527390,0.829373,0.000000,-0.273148,0.781254,0.561277,0.000000,-1744018.090905,4988208.462136,3559692.388661,1],    "boundingVolume": {    "region": [1.907092,0.595871,1.907188,0.595986,0.000000,8.784257]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1271559.b3dm"}}}