{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949085,-0.315019,0.000000,0.000000,0.176179,-0.530789,0.828990,0.000000,-0.260597,0.785123,0.561846,0.000000,-1663882.070552,5012924.468817,3563305.201029,1],    "boundingVolume": {    "region": [1.891222,0.596604,1.891324,0.596626,0.000000,9.660840]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/10_1420594.b3dm"}}}