{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949452,-0.313912,0.000000,0.000000,0.175500,-0.530812,0.829119,0.000000,-0.259722,0.785550,0.561654,0.000000,-1658296.558064,5015645.775822,3562087.545409,1],    "boundingVolume": {    "region": [1.890058,0.596343,1.890157,0.596424,0.000000,26.508872]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1410027.b3dm"}}}