{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950261,-0.311454,0.000000,0.000000,0.173751,-0.530124,0.829927,0.000000,-0.257942,0.786993,0.560453,0.000000,-1646918.956852,5024835.761377,3554457.368283,1],    "boundingVolume": {    "region": [1.887469,0.594875,1.887568,0.594992,0.000000,8.821118]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1452504.b3dm"}}}