{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943974,-0.330021,0.000000,0.000000,0.184381,-0.527394,0.829373,0.000000,-0.273134,0.781259,0.561277,0.000000,-1743927.123387,4988239.487283,3559693.472594,1],    "boundingVolume": {    "region": [1.907074,0.595871,1.907169,0.595986,0.000000,8.784257]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1298126.b3dm"}}}