{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950568,-0.310516,0.000000,0.000000,0.173556,-0.531301,0.829215,0.000000,-0.256942,0.786566,0.561512,0.000000,-1640543.428717,5022126.823000,3561182.470267,1],    "boundingVolume": {    "region": [1.886483,0.596162,1.886581,0.596261,0.000000,8.817629]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1427359.b3dm"}}}