{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943959,-0.330064,0.000000,0.000000,0.184416,-0.527417,0.829350,0.000000,-0.273162,0.781225,0.561311,0.000000,-1744106.988774,4988022.488233,3559907.974827,1],    "boundingVolume": {    "region": [1.907120,0.595912,1.907215,0.596026,0.000000,8.697879]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1271310.b3dm"}}}