{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949465,-0.313873,0.000000,0.000000,0.175329,-0.530370,0.829438,0.000000,-0.259791,0.785866,0.561181,0.000000,-1658730.215516,5017651.833211,3559079.407206,1],    "boundingVolume": {    "region": [1.890017,0.595771,1.890115,0.595852,0.000000,8.064023]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1362948.b3dm"}}}