{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949314,-0.314331,0.000000,0.000000,0.175807,-0.530956,0.828962,0.000000,-0.260019,0.785285,0.561887,0.000000,-1660190.888806,5013959.120964,3563569.374630,1],    "boundingVolume": {    "region": [1.890497,0.596654,1.890599,0.596676,0.000000,8.819715]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/12_1421445.b3dm"}}}