{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949639,-0.313347,0.000000,0.000000,0.174867,-0.529957,0.829800,0.000000,-0.259469,0.786356,0.560643,0.000000,-1656674.920658,5020769.342921,3555661.593827,1],    "boundingVolume": {    "region": [1.889431,0.595029,1.889593,0.595295,0.000000,8.819706]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1369817.b3dm"}}}