{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949488,-0.313803,0.000000,0.000000,0.175436,-0.530827,0.829123,0.000000,-0.259633,0.785584,0.561649,0.000000,-1657723.855175,5015859.587980,3562053.279086,1],    "boundingVolume": {    "region": [1.889942,0.596336,1.890041,0.596418,0.000000,14.639353]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1409715.b3dm"}}}