{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950317,-0.311284,0.000000,0.000000,0.173650,-0.530134,0.829942,0.000000,-0.257806,0.787053,0.560431,0.000000,-1646053.298378,5025218.991300,3554317.514085,1],    "boundingVolume": {    "region": [1.887291,0.594848,1.887390,0.594965,0.000000,8.766976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/5_1452261.b3dm"}}}