{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943971,-0.330028,0.000000,0.000000,0.184188,-0.526829,0.829775,0.000000,-0.273274,0.781639,0.560680,0.000000,-1744818.137667,4990652.987795,3555897.505888,1],    "boundingVolume": {    "region": [1.907082,0.595149,1.907178,0.595264,0.000000,8.804152]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/2_1276388.b3dm"}}}