{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898315,-0.439353,0.000000,0.000000,0.284388,-0.581468,0.762246,0.000000,-0.333950,0.682805,0.649812,0.000000,-2132994.912795,4361189.443428,4122674.308746,1],    "boundingVolume": {    "region": [2.025621,0.707300,2.025727,0.707373,0.000000,11.006872]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/6_1805523.b3dm"}}}