{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950673,-0.310195,0.000000,0.000000,0.173552,-0.531894,0.828836,0.000000,-0.256558,0.786289,0.562074,0.000000,-1638097.709537,5020372.315322,3564756.265375,1],    "boundingVolume": {    "region": [1.886112,0.596807,1.886277,0.596976,0.000000,8.758891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1396496.b3dm"}}}