{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950683,-0.310164,0.000000,0.000000,0.173531,-0.531890,0.828842,0.000000,-0.256534,0.786304,0.562065,0.000000,-1637943.583227,5020464.853217,3564697.159330,1],    "boundingVolume": {    "region": [1.886079,0.596795,1.886244,0.596964,0.000000,8.758891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1396364.b3dm"}}}