{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950552,-0.310566,0.000000,0.000000,0.173685,-0.531598,0.828998,0.000000,-0.256915,0.786344,0.561834,0.000000,-1640376.220887,5020717.404544,3563232.426241,1],    "boundingVolume": {    "region": [1.886536,0.596552,1.886633,0.596651,0.000000,13.616695]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1392386.b3dm"}}}