{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951309,-0.308239,0.000000,0.000000,0.113888,-0.351491,0.929238,0.000000,-0.286163,0.883178,0.371628,0.000000,-1826032.006660,5635634.460495,2355518.847320,1],    "boundingVolume": {    "region": [1.884059,0.380716,1.884216,0.380810,0.000000,21.875736]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_42939.b3dm"}}}