{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949154,-0.314811,0.000000,0.000000,0.115877,-0.349370,0.929792,0.000000,-0.292441,0.881709,0.370227,0.000000,-1866083.810123,5626240.283376,2346629.686928,1],    "boundingVolume": {    "region": [1.891000,0.379196,1.891108,0.379311,0.000000,55.479736]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/15_6670.b3dm"}}}