{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948815,-0.315833,0.000000,0.000000,0.176302,-0.529639,0.829699,0.000000,-0.261496,0.785577,0.560793,0.000000,-1669617.218778,5015798.676511,3556616.672749,1],    "boundingVolume": {    "region": [1.892083,0.595232,1.892179,0.595455,0.000000,8.764068]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1180019.b3dm"}}}