{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950586,-0.310462,0.000000,0.000000,0.173623,-0.531606,0.829005,0.000000,-0.256832,0.786379,0.561823,0.000000,-1639846.092856,5020942.404901,3563159.885297,1],    "boundingVolume": {    "region": [1.886427,0.596538,1.886525,0.596637,0.000000,13.834999]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1391837.b3dm"}}}