{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951798,-0.306727,0.000000,0.000000,0.113201,-0.351272,0.929405,0.000000,-0.284811,0.883792,0.371207,0.000000,-1817402.913721,5639546.449166,2352846.150663,1],    "boundingVolume": {    "region": [1.882470,0.380262,1.882627,0.380356,0.000000,5.253980]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/4/8_43488.b3dm"}}}