{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950291,-0.311364,0.000000,0.000000,0.174015,-0.531098,0.829249,0.000000,-0.257654,0.786368,0.561462,0.000000,-1645092.420291,5020863.748547,3560867.090959,1],    "boundingVolume": {    "region": [1.887348,0.596059,1.887500,0.596244,0.000000,8.662975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1431620.b3dm"}}}