{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949590,-0.313495,0.000000,0.000000,0.174960,-0.529961,0.829777,0.000000,-0.259585,0.786294,0.560676,0.000000,-1657414.954715,5020373.581265,3555874.090182,1],    "boundingVolume": {    "region": [1.889587,0.595069,1.889749,0.595335,0.000000,8.805125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1369385.b3dm"}}}