{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950581,-0.310477,0.000000,0.000000,0.173609,-0.531536,0.829053,0.000000,-0.256859,0.786421,0.561752,0.000000,-1640016.741990,5021208.593724,3562709.249402,1],    "boundingVolume": {    "region": [1.886442,0.596452,1.886540,0.596551,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1389854.b3dm"}}}