{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949848,-0.312712,0.000000,0.000000,0.174869,-0.531154,0.829033,0.000000,-0.258703,0.785796,0.561781,0.000000,-1651786.196774,5017214.279477,3562897.980854,1],    "boundingVolume": {    "region": [1.888758,0.596435,1.888929,0.596640,0.000000,8.666334]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1404859.b3dm"}}}