{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896919,-0.442195,0.000000,0.000000,0.282249,-0.572495,0.769795,0.000000,-0.339466,0.688549,0.640830,0.000000,-2168141.714903,4397711.437259,4065529.881051,1],    "boundingVolume": {    "region": [2.028750,0.695522,2.028932,0.695635,0.000000,42.492945]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_448556.b3dm"}}}