{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949552,-0.313611,0.000000,0.000000,0.114484,-0.346635,0.930987,0.000000,-0.291705,0.883225,0.367181,0.000000,-1861375.973051,5635872.653437,2327304.676789,1],    "boundingVolume": {    "region": [1.889706,0.375852,1.889874,0.376102,0.000000,9.854146]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_28617.b3dm"}}}