{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950577,-0.310489,0.000000,0.000000,0.173654,-0.531651,0.828970,0.000000,-0.256843,0.786338,0.561875,0.000000,-1639914.291892,5020682.184458,3563492.911795,1],    "boundingVolume": {    "region": [1.886455,0.596601,1.886552,0.596700,0.000000,14.679444]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1393914.b3dm"}}}