{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950220,-0.311578,0.000000,0.000000,0.174242,-0.531386,0.829016,0.000000,-0.257759,0.786088,0.561806,0.000000,-1645761.785308,5019080.733577,3563055.982690,1],    "boundingVolume": {    "region": [1.887574,0.596475,1.887726,0.596660,0.000000,8.770327]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1329848.b3dm"}}}