{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895730,-0.444599,0.000000,0.000000,0.284174,-0.572522,0.769067,0.000000,-0.340986,0.686981,0.641705,0.000000,-2177858.638665,4387710.337507,4071100.815132,1],    "boundingVolume": {    "region": [2.031462,0.696661,2.031584,0.696779,0.000000,40.183657]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_766744.b3dm"}}}