{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950571,-0.310506,0.000000,0.000000,0.173637,-0.531565,0.829029,0.000000,-0.256876,0.786390,0.561788,0.000000,-1640123.204757,5021009.008552,3562939.963162,1],    "boundingVolume": {    "region": [1.886473,0.596496,1.886571,0.596595,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1390701.b3dm"}}}