{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943924,-0.330163,0.000000,0.000000,0.184318,-0.526958,0.829664,0.000000,-0.273349,0.781494,0.560845,0.000000,-1745297.031292,4989733.179948,3556946.084814,1],    "boundingVolume": {    "region": [1.907243,0.595349,1.907303,0.595463,0.000000,8.770417]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4.b3dm"}}}