{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949888,-0.312589,0.000000,0.000000,0.174628,-0.530656,0.829403,0.000000,-0.258717,0.786183,0.561233,0.000000,-1651873.625983,5019675.853760,3559412.024983,1],    "boundingVolume": {    "region": [1.888637,0.595791,1.888790,0.595959,0.000000,16.978513]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1352138.b3dm"}}}