{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898371,-0.439238,0.000000,0.000000,0.284182,-0.581236,0.762500,0.000000,-0.333975,0.683076,0.649513,0.000000,-2133151.349350,4362919.978840,4120774.712329,1],    "boundingVolume": {    "region": [2.025496,0.706907,2.025597,0.706981,0.000000,12.946702]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1802231.b3dm"}}}