{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950303,-0.311328,0.000000,0.000000,0.173677,-0.530136,0.829935,0.000000,-0.257840,0.787035,0.560442,0.000000,-1646268.419240,5025102.429498,3554382.242576,1],    "boundingVolume": {    "region": [1.887336,0.594860,1.887436,0.594977,0.000000,8.819950]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_1452421.b3dm"}}}