{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949163,-0.314784,0.000000,0.000000,0.176041,-0.530813,0.829004,0.000000,-0.260407,0.785201,0.561825,0.000000,-1662667.522391,5013418.965134,3563177.284971,1],    "boundingVolume": {    "region": [1.890975,0.596580,1.891076,0.596602,0.000000,8.498225]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/9_1418569.b3dm"}}}