{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896710,-0.442618,0.000000,0.000000,0.282577,-0.572480,0.769686,0.000000,-0.339742,0.688291,0.640961,0.000000,-2169903.893887,4396061.895803,4066367.981696,1],    "boundingVolume": {    "region": [2.029221,0.695694,2.029404,0.695806,0.000000,30.356173]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_477456.b3dm"}}}