{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897474,-0.441068,0.000000,0.000000,0.283259,-0.576369,0.766527,0.000000,-0.337151,0.686027,0.644745,0.000000,-2153395.525893,4381673.484755,4090439.289179,1],    "boundingVolume": {    "region": [2.027521,0.700655,2.027648,0.700724,0.000000,7.943723]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/8_858802.b3dm"}}}