{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950045,-0.312114,0.000000,0.000000,0.174039,-0.529758,0.830101,0.000000,-0.258543,0.786980,0.560195,0.000000,-1650755.055395,5024745.534420,3552816.113845,1],    "boundingVolume": {    "region": [1.888131,0.594556,1.888295,0.594687,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1458744.b3dm"}}}