{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950218,-0.311585,0.000000,0.000000,0.173876,-0.530257,0.829816,0.000000,-0.258015,0.786851,0.560619,0.000000,-1647390.681800,5023931.482135,3555509.757903,1],    "boundingVolume": {    "region": [1.887607,0.595075,1.887707,0.595191,0.000000,8.815537]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/7_1453516.b3dm"}}}