{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949450,-0.313918,0.000000,0.000000,0.114688,-0.346875,0.930873,0.000000,-0.291954,0.883021,0.367474,0.000000,-1862966.619585,5634573.903234,2329163.392729,1],    "boundingVolume": {    "region": [1.890029,0.376167,1.890197,0.376417,0.000000,26.403536]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_28988.b3dm"}}}