{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949616,-0.313417,0.000000,0.000000,0.174914,-0.529968,0.829783,0.000000,-0.259522,0.786320,0.560668,0.000000,-1657011.663252,5020542.209898,3555824.296259,1],    "boundingVolume": {    "region": [1.889505,0.595060,1.889667,0.595326,0.000000,8.657353]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1369499.b3dm"}}}