{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943935,-0.330133,0.000000,0.000000,0.184422,-0.527309,0.829418,0.000000,-0.273242,0.781269,0.561211,0.000000,-1744613.671792,4988301.877165,3559272.444149,1],    "boundingVolume": {    "region": [1.907193,0.595791,1.907288,0.595906,0.000000,7.262389]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_1271925.b3dm"}}}