{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943095,-0.332524,0.000000,0.000000,0.186159,-0.527978,0.828603,0.000000,-0.274948,0.779801,0.562418,0.000000,-1755516.412043,4978950.624919,3566945.068380,1],    "boundingVolume": {    "region": [1.909712,0.597268,1.909837,0.597347,0.000000,8.705663]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_1256108.b3dm"}}}