{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950209,-0.311615,0.000000,0.000000,0.174265,-0.531389,0.829010,0.000000,-0.257787,0.786072,0.561816,0.000000,-1645940.792098,5018979.140973,3563115.997131,1],    "boundingVolume": {    "region": [1.887612,0.596486,1.887764,0.596672,0.000000,8.770327]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1329630.b3dm"}}}