{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949051,-0.315122,0.000000,0.000000,0.176085,-0.530313,0.829314,0.000000,-0.260785,0.785405,0.561364,0.000000,-1665082.839166,5014714.144034,3560245.401813,1],    "boundingVolume": {    "region": [1.891313,0.595980,1.891451,0.596086,0.000000,14.029451]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1373543.b3dm"}}}