{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950297,-0.311346,0.000000,0.000000,0.115659,-0.353016,0.928441,0.000000,-0.288797,0.881472,0.373635,0.000000,-1842848.878408,5624777.984084,2368251.043032,1],    "boundingVolume": {    "region": [1.887402,0.382922,1.887409,0.382928,0.000000,2.489167]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/6.b3dm"}}}