{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950583,-0.310470,0.000000,0.000000,0.173594,-0.531501,0.829079,0.000000,-0.256862,0.786447,0.561714,0.000000,-1640032.326068,5021375.820037,3562468.003996,1],    "boundingVolume": {    "region": [1.886435,0.596406,1.886533,0.596505,0.000000,11.800449]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/4_1389248.b3dm"}}}