{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951316,-0.308218,0.000000,0.000000,0.113881,-0.351494,0.929238,0.000000,-0.286144,0.883183,0.371630,0.000000,-1825909.744746,5635671.115616,2355525.877421,1],    "boundingVolume": {    "region": [1.884038,0.380717,1.884194,0.380811,0.000000,21.875736]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_42942.b3dm"}}}