{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950575,-0.310494,0.000000,0.000000,0.173643,-0.531605,0.829002,0.000000,-0.256858,0.786367,0.561828,0.000000,-1640006.733691,5020865.871588,3563193.568279,1],    "boundingVolume": {    "region": [1.886460,0.596544,1.886558,0.596643,0.000000,14.679444]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1392093.b3dm"}}}