{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943935,-0.330131,0.000000,0.000000,0.184220,-0.526734,0.829828,0.000000,-0.273377,0.781659,0.560601,0.000000,-1745471.813264,4990783.496462,3555396.867427,1],    "boundingVolume": {    "region": [1.907191,0.595054,1.907286,0.595169,0.000000,8.680494]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/1_1309812.b3dm"}}}