{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943959,-0.330062,0.000000,0.000000,0.184406,-0.527392,0.829369,0.000000,-0.273167,0.781243,0.561283,0.000000,-1744136.451095,4988138.191466,3559732.596500,1],    "boundingVolume": {    "region": [1.907118,0.595878,1.907213,0.595993,0.000000,8.784257]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1271527.b3dm"}}}