{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858101,-0.513481,0.000000,0.000000,0.263184,-0.439818,0.858658,0.000000,-0.440124,0.735510,0.515088,0.000000,-2809666.566361,4695354.665255,3266213.705297,1],    "boundingVolume": {    "region": [2.109951,0.541048,2.110115,0.541173,0.000000,44.272633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/13_538878.b3dm"}}}