{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949597,-0.313475,0.000000,0.000000,0.175251,-0.530879,0.829129,0.000000,-0.259363,0.785679,0.561640,0.000000,-1656004.562035,5016467.298683,3561997.579371,1],    "boundingVolume": {    "region": [1.889597,0.596325,1.889696,0.596407,0.000000,9.744479]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/13_1409331.b3dm"}}}