{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950731,-0.310016,0.000000,0.000000,0.116936,-0.358609,0.926135,0.000000,-0.286841,0.879660,0.379370,0.000000,-1830390.161528,5613294.638897,2404632.454336,1],    "boundingVolume": {    "region": [1.885997,0.389060,1.886015,0.389170,0.000000,8.182976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/20.b3dm"}}}