{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896580,-0.442883,0.000000,0.000000,0.283384,-0.573687,0.768490,0.000000,-0.339413,0.687113,0.642398,0.000000,-2167817.456851,4388567.247571,4075504.302660,1],    "boundingVolume": {    "region": [2.029523,0.697548,2.029692,0.697697,0.000000,40.233522]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_497833.b3dm"}}}