{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950740,-0.309990,0.000000,0.000000,0.173394,-0.531800,0.828929,0.000000,-0.256418,0.786434,0.561936,0.000000,-1637197.961286,5021290.670250,3563881.924075,1],    "boundingVolume": {    "region": [1.885896,0.596640,1.886061,0.596809,0.000000,8.777975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1387058.b3dm"}}}