{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949873,-0.312635,0.000000,0.000000,0.174644,-0.530620,0.829423,0.000000,-0.258761,0.786189,0.561203,0.000000,-1652154.246775,5019717.856800,3559223.809966,1],    "boundingVolume": {    "region": [1.888685,0.595755,1.888838,0.595923,0.000000,16.978513]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1352647.b3dm"}}}