{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950896,-0.309511,0.000000,0.000000,0.172723,-0.530649,0.829806,0.000000,-0.256295,0.787403,0.560633,0.000000,-1636408.658746,5027453.876846,3555601.643650,1],    "boundingVolume": {    "region": [1.885403,0.595041,1.885548,0.595260,0.000000,8.742233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/9_1448411.b3dm"}}}