{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951255,-0.308404,0.000000,0.000000,0.115603,-0.356572,0.927088,0.000000,-0.285647,0.881061,0.377012,0.000000,-1822760.454220,5622202.178111,2389672.042511,1],    "boundingVolume": {    "region": [1.884230,0.386516,1.884393,0.386619,0.000000,17.209265]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/12_8345.b3dm"}}}