{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951310,-0.308235,0.000000,0.000000,0.113891,-0.351503,0.929233,0.000000,-0.286158,0.883174,0.371641,0.000000,-1825998.022067,5635613.199912,2355595.540639,1],    "boundingVolume": {    "region": [1.884055,0.380729,1.884211,0.380823,0.000000,21.875736]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/13_42989.b3dm"}}}