{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949115,-0.314928,0.000000,0.000000,0.175968,-0.530324,0.829332,0.000000,-0.260630,0.785475,0.561338,0.000000,-1664092.067549,5015160.842785,3560080.526120,1],    "boundingVolume": {    "region": [1.891109,0.595949,1.891246,0.596055,0.000000,14.224535]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1360682.b3dm"}}}