{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898502,-0.438970,0.000000,0.000000,0.284029,-0.581362,0.762461,0.000000,-0.333754,0.683141,0.649559,0.000000,-2131738.544040,4363333.867895,4121065.618174,1],    "boundingVolume": {    "region": [2.025197,0.706967,2.025298,0.707042,0.000000,6.638857]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1802344.b3dm"}}}