{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949252,-0.314517,0.000000,0.000000,0.175369,-0.529284,0.830123,0.000000,-0.260541,0.786344,0.560162,0.000000,-1663512.924502,5020686.952767,3552604.632785,1],    "boundingVolume": {    "region": [1.890663,0.594448,1.890825,0.594714,0.000000,10.490571]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/11_1381001.b3dm"}}}