{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949524,-0.313694,0.000000,0.000000,0.175033,-0.529811,0.829858,0.000000,-0.259775,0.786316,0.560556,0.000000,-1658627.089516,5020516.203171,3555112.585997,1],    "boundingVolume": {    "region": [1.889796,0.594925,1.889958,0.595190,0.000000,8.804776]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1370480.b3dm"}}}