{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950487,-0.310763,0.000000,0.000000,0.173447,-0.530498,0.829752,0.000000,-0.257315,0.787012,0.560715,0.000000,-1642917.445647,5024963.331982,3556117.250157,1],    "boundingVolume": {    "region": [1.886742,0.595190,1.886842,0.595307,0.000000,8.808242]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/8_1450382.b3dm"}}}