{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950679,-0.310175,0.000000,0.000000,0.173545,-0.531910,0.828827,0.000000,-0.256539,0.786286,0.562087,0.000000,-1637973.692769,5020350.788226,3564842.983934,1],    "boundingVolume": {    "region": [1.886091,0.596823,1.886256,0.596992,0.000000,8.758891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1396613.b3dm"}}}