{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950589,-0.310453,0.000000,0.000000,0.173634,-0.531658,0.828970,0.000000,-0.256813,0.786348,0.561875,0.000000,-1639724.498123,5020744.095815,3563493.020044,1],    "boundingVolume": {    "region": [1.886417,0.596601,1.886514,0.596700,0.000000,14.679444]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1393930.b3dm"}}}