{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949102,-0.314970,0.000000,0.000000,0.175979,-0.530280,0.829358,0.000000,-0.260673,0.785489,0.561299,0.000000,-1664364.737502,5015246.007423,3559834.735003,1],    "boundingVolume": {    "region": [1.891153,0.595902,1.891290,0.596008,0.000000,17.644930]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1361391.b3dm"}}}