{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950057,-0.312078,0.000000,0.000000,0.116091,-0.353414,0.928236,0.000000,-0.289411,0.881052,0.374150,0.000000,-1846767.975108,5622107.952797,2371513.935504,1],    "boundingVolume": {    "region": [1.888097,0.383415,1.888254,0.383544,0.000000,4.925583]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/11_61971.b3dm"}}}