{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950651,-0.310263,0.000000,0.000000,0.114199,-0.349906,0.929798,0.000000,-0.288218,0.883104,0.370212,0.000000,-1839137.071074,5635147.010272,2346532.649663,1],    "boundingVolume": {    "region": [1.886192,0.379198,1.886340,0.379277,0.000000,6.643965]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/17_4715.b3dm"}}}