{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896430,-0.443185,0.000000,0.000000,0.283587,-0.573611,0.768472,0.000000,-0.339636,0.686982,0.642420,0.000000,-2169243.888206,4387728.902351,4075647.007189,1],    "boundingVolume": {    "region": [2.029861,0.697577,2.030029,0.697727,0.000000,43.785105]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/1_522820.b3dm"}}}