{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949486,-0.313808,0.000000,0.000000,0.175454,-0.530870,0.829092,0.000000,-0.259627,0.785553,0.561694,0.000000,-1657690.398355,5015662.072589,3562344.994456,1],    "boundingVolume": {    "region": [1.889948,0.596392,1.890047,0.596473,0.000000,24.971545]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1411263.b3dm"}}}