{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950484,-0.310772,0.000000,0.000000,0.173399,-0.530333,0.829868,0.000000,-0.257359,0.787121,0.560542,0.000000,-1643198.473419,5025652.974594,3555020.064208,1],    "boundingVolume": {    "region": [1.886711,0.594967,1.886893,0.595113,0.000000,8.806250]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1449478.b3dm"}}}