{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949866,-0.312658,0.000000,0.000000,0.174765,-0.530943,0.829190,0.000000,-0.258707,0.785961,0.561548,0.000000,-1651813.812242,5018264.345248,3561416.015356,1],    "boundingVolume": {    "region": [1.888701,0.596153,1.888872,0.596358,0.000000,24.885976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1439037.b3dm"}}}