{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897944,-0.440109,0.000000,0.000000,0.282474,-0.576326,0.766848,0.000000,-0.336561,0.686677,0.644362,0.000000,-2149618.524395,4385818.982987,4087998.893777,1],    "boundingVolume": {    "region": [2.026453,0.700154,2.026580,0.700223,0.000000,16.563189]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_883563.b3dm"}}}