{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944304,-0.329075,0.000000,0.000000,0.183953,-0.527865,0.829168,0.000000,-0.272284,0.781338,0.561581,0.000000,-1738499.817610,4988747.041279,3561623.412100,1],    "boundingVolume": {    "region": [1.906063,0.596258,1.906177,0.596333,0.000000,8.778190]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_729875.b3dm"}}}