{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942352,-0.334624,0.000000,0.000000,0.187437,-0.527852,0.828396,0.000000,-0.276615,0.778989,0.562725,0.000000,-1766161.147802,4973775.831328,3568896.085708,1],    "boundingVolume": {    "region": [1.911964,0.597665,1.912041,0.597693,0.000000,8.525404]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/15.b3dm"}}}