{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949087,-0.315014,0.000000,0.000000,0.176180,-0.530801,0.828982,0.000000,-0.260590,0.785117,0.561858,0.000000,-1663840.931375,5012881.815349,3563383.884969,1],    "boundingVolume": {    "region": [1.891217,0.596619,1.891319,0.596641,0.000000,11.992885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/10_1421140.b3dm"}}}