{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950748,-0.309963,0.000000,0.000000,0.173059,-0.530823,0.829625,0.000000,-0.256613,0.787107,0.560903,0.000000,-1638439.758429,5025572.663153,3557313.778753,1],    "boundingVolume": {    "region": [1.885893,0.595419,1.886009,0.595533,0.000000,8.431757]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/10_1448791.b3dm"}}}