{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950531,-0.310630,0.000000,0.000000,0.173891,-0.532108,0.828627,0.000000,-0.256853,0.785972,0.562383,0.000000,-1639980.906038,5018351.785815,3566721.610118,1],    "boundingVolume": {    "region": [1.886604,0.597216,1.886701,0.597314,0.000000,8.611383]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1325072.b3dm"}}}