{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858456,-0.512887,0.000000,0.000000,0.262367,-0.439143,0.859254,0.000000,-0.439922,0.736330,0.514088,0.000000,-2808369.505893,4700572.932810,3259860.101920,1],    "boundingVolume": {    "region": [2.109258,0.539882,2.109423,0.540007,0.000000,21.917633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/3_215474.b3dm"}}}