{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950657,-0.310244,0.000000,0.000000,0.173215,-0.530768,0.829627,0.000000,-0.256846,0.787034,0.560899,0.000000,-1639926.487331,5025104.602194,3557290.084378,1],    "boundingVolume": {    "region": [1.886188,0.595414,1.886304,0.595529,0.000000,8.809651]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_1451396.b3dm"}}}