{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950682,-0.310167,0.000000,0.000000,0.173497,-0.531781,0.828920,0.000000,-0.256561,0.786377,0.561950,0.000000,-1638115.465861,5020931.037004,3563966.429556,1],    "boundingVolume": {    "region": [1.886082,0.596656,1.886248,0.596825,0.000000,8.595163]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1395009.b3dm"}}}