{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897037,-0.441956,0.000000,0.000000,0.287238,-0.583007,0.759998,0.000000,-0.334930,0.679807,0.652445,0.000000,-2139279.956572,4342093.688449,4139426.887835,1],    "boundingVolume": {    "region": [2.028484,0.710754,2.028664,0.710858,0.000000,10.537637]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/3/20_1780863.b3dm"}}}