{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949039,-0.315157,0.000000,0.000000,0.115883,-0.348962,0.929944,0.000000,-0.292811,0.881748,0.369840,0.000000,-1868445.649147,5626487.430502,2344173.013084,1],    "boundingVolume": {    "region": [1.891366,0.378802,1.891471,0.378872,0.000000,47.613006]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/20_10615.b3dm"}}}