{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950499,-0.310728,0.000000,0.000000,0.114322,-0.349705,0.929858,0.000000,-0.288669,0.883022,0.370058,0.000000,-1842012.571798,5634616.407858,2345557.699426,1],    "boundingVolume": {    "region": [1.886680,0.379033,1.886829,0.379111,0.000000,13.397977]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/15_4162.b3dm"}}}