{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950016,-0.312202,0.000000,0.000000,0.174523,-0.531066,0.829162,0.000000,-0.258321,0.786058,0.561590,0.000000,-1649346.374947,5018886.745072,3561680.728433,1],    "boundingVolume": {    "region": [1.888220,0.596204,1.888392,0.596409,0.000000,17.053839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1441754.b3dm"}}}