{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949046,-0.315138,0.000000,0.000000,0.176091,-0.530302,0.829320,0.000000,-0.260800,0.785406,0.561356,0.000000,-1665177.710188,5014719.501211,3560193.831970,1],    "boundingVolume": {    "region": [1.891330,0.595970,1.891467,0.596077,0.000000,14.029451]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1373609.b3dm"}}}