{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943781,-0.330571,0.000000,0.000000,0.183786,-0.524711,0.831205,0.000000,-0.274200,0.782841,0.558547,0.000000,-1750711.591594,4998287.039943,3542343.664347,1],    "boundingVolume": {    "region": [1.907650,0.592543,1.907760,0.592724,0.000000,6.677521]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/3_1246378.b3dm"}}}