{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858196,-0.513323,0.000000,0.000000,0.262680,-0.439160,0.859149,0.000000,-0.440242,0.736016,0.514264,0.000000,-2810412.068674,4698571.405889,3260977.568296,1],    "boundingVolume": {    "region": [2.109766,0.540087,2.109931,0.540212,0.000000,108.761311]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_129821.b3dm"}}}