{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950378,-0.311098,0.000000,0.000000,0.173760,-0.530822,0.829479,0.000000,-0.257506,0.786661,0.561120,0.000000,-1644144.973951,5022725.709200,3558692.790177,1],    "boundingVolume": {    "region": [1.887094,0.595680,1.887194,0.595796,0.000000,8.816309]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1428770.b3dm"}}}