{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894045,-0.447977,0.000000,0.000000,0.288726,-0.576222,0.764595,0.000000,-0.341563,0.681671,0.647039,0.000000,-2181594.755096,4353894.231694,4105034.905463,1],    "boundingVolume": {    "region": [2.035215,0.703614,2.035380,0.703776,0.000000,20.116571]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/0/3_1991840.b3dm"}}}