{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894453,-0.447162,0.000000,0.000000,0.284949,-0.569980,0.770666,0.000000,-0.343670,0.687440,0.639779,0.000000,-2194984.413444,4390604.252379,4058847.277180,1],    "boundingVolume": {    "region": [2.034319,0.694149,2.034453,0.694273,0.000000,38.555296]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_990287.b3dm"}}}