{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944292,-0.329110,0.000000,0.000000,0.183997,-0.527929,0.829118,0.000000,-0.272296,0.781279,0.561656,0.000000,-1738579.394162,4988377.460804,3562098.981474,1],    "boundingVolume": {    "region": [1.906100,0.596348,1.906215,0.596423,0.000000,8.769490]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_191878.b3dm"}}}