{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952261,-0.305284,0.000000,0.000000,0.112277,-0.350222,0.929913,0.000000,-0.283628,0.884712,0.369919,0.000000,-1809848.245495,5645398.682696,2344675.717594,1],    "boundingVolume": {    "region": [1.880951,0.378862,1.881115,0.378983,0.000000,5.907963]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/15_44016.b3dm"}}}