{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950216,-0.311591,0.000000,0.000000,0.173872,-0.530235,0.829831,0.000000,-0.258025,0.786864,0.560597,0.000000,-1647451.927309,5024012.282113,3555368.160468,1],    "boundingVolume": {    "region": [1.887613,0.595048,1.887713,0.595165,0.000000,8.814601]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/7_1453225.b3dm"}}}