{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950087,-0.311986,0.000000,0.000000,0.174445,-0.531235,0.829071,0.000000,-0.258113,0.786029,0.561726,0.000000,-1648024.463699,5018703.031472,3562545.573078,1],    "boundingVolume": {    "region": [1.888010,0.596366,1.888148,0.596575,0.000000,8.821155]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1398126.b3dm"}}}