{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950469,-0.310819,0.000000,0.000000,0.173544,-0.530690,0.829609,0.000000,-0.257316,0.786861,0.560927,0.000000,-1642929.777823,5023997.934718,3557466.225057,1],    "boundingVolume": {    "region": [1.886801,0.595446,1.886901,0.595563,0.000000,8.815443]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/10_1451554.b3dm"}}}