{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950233,-0.311540,0.000000,0.000000,0.173915,-0.530461,0.829677,0.000000,-0.257934,0.786731,0.560825,0.000000,-1646875.953482,5023168.316752,3556817.426924,1],    "boundingVolume": {    "region": [1.887559,0.595323,1.887659,0.595440,0.000000,8.798471]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1454542.b3dm"}}}