{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896933,-0.442167,0.000000,0.000000,0.282243,-0.572527,0.769774,0.000000,-0.339435,0.688541,0.640855,0.000000,-2167944.407204,4397656.886788,4065693.004783,1],    "boundingVolume": {    "region": [2.028718,0.695556,2.028901,0.695668,0.000000,42.492945]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_446448.b3dm"}}}