{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949901,-0.312550,0.000000,0.000000,0.174676,-0.530876,0.829252,0.000000,-0.258637,0.786049,0.561457,0.000000,-1651365.744762,5018828.171315,3560833.172734,1],    "boundingVolume": {    "region": [1.888587,0.596042,1.888758,0.596247,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1434806.b3dm"}}}