{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894485,-0.447098,0.000000,0.000000,0.284893,-0.569970,0.770694,0.000000,-0.343634,0.687490,0.639745,0.000000,-2194751.877124,4390921.657454,4058631.113751,1],    "boundingVolume": {    "region": [2.034248,0.694104,2.034382,0.694229,0.000000,15.329297]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_989836.b3dm"}}}