{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949047,-0.315136,0.000000,0.000000,0.176079,-0.530270,0.829343,0.000000,-0.260806,0.785429,0.561322,0.000000,-1665212.229996,5014862.705735,3559977.424066,1],    "boundingVolume": {    "region": [1.891328,0.595929,1.891465,0.596035,0.000000,14.029451]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1373956.b3dm"}}}