{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950233,-0.311541,0.000000,0.000000,0.174231,-0.531423,0.828996,0.000000,-0.257722,0.786078,0.561837,0.000000,-1645524.779365,5019017.466981,3563253.231688,1],    "boundingVolume": {    "region": [1.887535,0.596513,1.887687,0.596698,0.000000,8.804214]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1399240.b3dm"}}}