{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949481,-0.313823,0.000000,0.000000,0.175446,-0.530817,0.829128,0.000000,-0.259651,0.785583,0.561641,0.000000,-1657843.487363,5015852.141774,3562008.389649,1],    "boundingVolume": {    "region": [1.889964,0.596328,1.890063,0.596409,0.000000,16.490579]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1409413.b3dm"}}}