{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949598,-0.313470,0.000000,0.000000,0.174767,-0.529425,0.830160,0.000000,-0.259685,0.786667,0.560107,0.000000,-1658045.854356,5022744.319230,3552254.581897,1],    "boundingVolume": {    "region": [1.889560,0.594382,1.889722,0.594648,0.000000,6.473625]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/10_1381700.b3dm"}}}