{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871334,-0.490690,0.000000,0.000000,0.211853,-0.376194,0.901996,0.000000,-0.442044,0.784951,0.434108,0.000000,-2821195.228017,5009685.769777,2751998.548796,1],    "boundingVolume": {    "region": [2.083622,0.449007,2.083734,0.449088,0.000000,90.631680]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_223960.b3dm"}}}