{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944304,-0.329075,0.000000,0.000000,0.183958,-0.527879,0.829158,0.000000,-0.272280,0.781328,0.561596,0.000000,-1738478.356230,4988683.953275,3561721.591199,1],    "boundingVolume": {    "region": [1.906063,0.596276,1.906178,0.596351,0.000000,8.778190]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_729808.b3dm"}}}