{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897962,-0.440073,0.000000,0.000000,0.282436,-0.576307,0.766877,0.000000,-0.336546,0.686717,0.644327,0.000000,-2149523.818026,4386071.878851,4087778.842079,1],    "boundingVolume": {    "region": [2.026413,0.700108,2.026539,0.700177,0.000000,8.081776]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/0_883430.b3dm"}}}