{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950260,-0.311457,0.000000,0.000000,0.173896,-0.530559,0.829619,0.000000,-0.257848,0.786697,0.560912,0.000000,-1646321.678549,5022956.349773,3557369.606499,1],    "boundingVolume": {    "region": [1.887472,0.595428,1.887572,0.595545,0.000000,8.813120]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_1455309.b3dm"}}}