{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950371,-0.311119,0.000000,0.000000,0.173959,-0.531391,0.829073,0.000000,-0.257397,0.786267,0.561722,0.000000,-1643447.121850,5020220.398994,3562522.354938,1],    "boundingVolume": {    "region": [1.887090,0.596374,1.887242,0.596559,0.000000,8.796893]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1398094.b3dm"}}}