{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949109,-0.314947,0.000000,0.000000,0.176131,-0.530780,0.829005,0.000000,-0.260542,0.785158,0.561823,0.000000,-1663530.733859,5013145.258230,3563159.600809,1],    "boundingVolume": {    "region": [1.891146,0.596577,1.891247,0.596598,0.000000,7.121065]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/8_1337593.b3dm"}}}