{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948730,-0.316088,0.000000,0.000000,0.176459,-0.529636,0.829667,0.000000,-0.261697,0.785477,0.560840,0.000000,-1670899.673320,5015160.413486,3556912.468026,1],    "boundingVolume": {    "region": [1.892352,0.595288,1.892448,0.595511,0.000000,8.794362]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1180508.b3dm"}}}