{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944015,-0.329902,0.000000,0.000000,0.184152,-0.526950,0.829706,0.000000,-0.273147,0.781610,0.560783,0.000000,-1744003.861278,4990469.016987,3556550.697312,1],    "boundingVolume": {    "region": [1.906948,0.595273,1.907044,0.595388,0.000000,8.572479]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/3_1275884.b3dm"}}}