{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896488,-0.443068,0.000000,0.000000,0.283012,-0.572636,0.769410,0.000000,-0.339964,0.687872,0.641293,0.000000,-2171329.512843,4393392.438047,4068477.240364,1],    "boundingVolume": {    "region": [2.029723,0.696126,2.029906,0.696238,0.000000,54.891054]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/6_510747.b3dm"}}}