{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950725,-0.310035,0.000000,0.000000,0.173318,-0.531480,0.829150,0.000000,-0.256524,0.786634,0.561607,0.000000,-1637877.801320,5022561.633253,3561792.082347,1],    "boundingVolume": {    "region": [1.885978,0.596278,1.886075,0.596377,0.000000,7.596269]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/0/3_1385738.b3dm"}}}