{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949880,-0.312615,0.000000,0.000000,0.174713,-0.530864,0.829252,0.000000,-0.258691,0.786032,0.561456,0.000000,-1651710.732320,5018715.527388,3560831.938094,1],    "boundingVolume": {    "region": [1.888656,0.596042,1.888827,0.596247,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1434799.b3dm"}}}