{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949138,-0.314860,0.000000,0.000000,0.174945,-0.527367,0.831432,0.000000,-0.261240,0.787501,0.558208,0.000000,-1667962.933623,5028036.416622,3540185.799194,1],    "boundingVolume": {    "region": [1.891058,0.592129,1.891153,0.592319,0.000000,7.349818]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_1321662.b3dm"}}}