{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949598,-0.313469,0.000000,0.000000,0.175225,-0.530812,0.829177,0.000000,-0.259374,0.785727,0.561568,0.000000,-1656070.329664,5016772.677307,3561539.970362,1],    "boundingVolume": {    "region": [1.889591,0.596238,1.889690,0.596320,0.000000,12.700957]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/12_1444492.b3dm"}}}