{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898183,-0.439621,0.000000,0.000000,0.283920,-0.580073,0.763482,0.000000,-0.334700,0.683821,0.648355,0.000000,-2137773.678732,4367654.769643,4113406.623347,1],    "boundingVolume": {    "region": [2.025907,0.705311,2.026039,0.705533,0.000000,9.303141]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/8_1835847.b3dm"}}}