{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949059,-0.315098,0.000000,0.000000,0.176064,-0.530298,0.829328,0.000000,-0.260770,0.785425,0.561343,0.000000,-1664980.869685,5014842.507214,3560113.173138,1],    "boundingVolume": {    "region": [1.891287,0.595955,1.891425,0.596061,0.000000,14.029451]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1373757.b3dm"}}}