{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950219,-0.311581,0.000000,0.000000,0.174182,-0.531196,0.829151,0.000000,-0.257804,0.786216,0.561607,0.000000,-1646045.760732,5019893.098230,3561788.692277,1],    "boundingVolume": {    "region": [1.887584,0.596222,1.887722,0.596431,0.000000,8.482455]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1331726.b3dm"}}}