{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897719,-0.440568,0.000000,0.000000,0.282897,-0.576443,0.766604,0.000000,-0.336803,0.686285,0.644652,0.000000,-2151172.663572,4383320.240778,4089848.506382,1],    "boundingVolume": {    "region": [2.026964,0.700534,2.027091,0.700603,0.000000,36.867357]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/6_857644.b3dm"}}}