{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949117,-0.314924,0.000000,0.000000,0.175966,-0.530325,0.829332,0.000000,-0.260627,0.785476,0.561339,0.000000,-1664071.762253,5015165.243796,3560083.795552,1],    "boundingVolume": {    "region": [1.891105,0.595949,1.891242,0.596056,0.000000,14.224535]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1360665.b3dm"}}}