{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948731,-0.316086,0.000000,0.000000,0.176391,-0.529438,0.829808,0.000000,-0.261740,0.785612,0.560630,0.000000,-1671173.549344,5016018.584966,3555582.410180,1],    "boundingVolume": {    "region": [1.892350,0.595035,1.892445,0.595258,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1178866.b3dm"}}}