{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949895,-0.312568,0.000000,0.000000,0.174686,-0.530872,0.829252,0.000000,-0.258652,0.786044,0.561456,0.000000,-1651463.592053,5018797.641325,3560830.840088,1],    "boundingVolume": {    "region": [1.888606,0.596042,1.888778,0.596247,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1434807.b3dm"}}}