{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950574,-0.310499,0.000000,0.000000,0.173545,-0.531297,0.829220,0.000000,-0.256930,0.786575,0.561504,0.000000,-1640466.733025,5022184.958018,3561136.128273,1],    "boundingVolume": {    "region": [1.886466,0.596153,1.886563,0.596252,0.000000,8.786399]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/2_1427343.b3dm"}}}