{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950255,-0.311472,0.000000,0.000000,0.173646,-0.529770,0.830175,0.000000,-0.258034,0.787225,0.560084,0.000000,-1647509.052667,5026311.626311,3552112.236149,1],    "boundingVolume": {    "region": [1.887456,0.594422,1.887620,0.594553,0.000000,8.606825]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1458148.b3dm"}}}