{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894481,-0.447107,0.000000,0.000000,0.284896,-0.569963,0.770699,0.000000,-0.343642,0.687490,0.639740,0.000000,-2194806.149634,4390924.639880,4058598.756236,1],    "boundingVolume": {    "region": [2.034258,0.694098,2.034391,0.694223,0.000000,38.555296]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_990042.b3dm"}}}