{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950677,-0.310182,0.000000,0.000000,0.173553,-0.531923,0.828817,0.000000,-0.256542,0.786274,0.562102,0.000000,-1637991.296900,5020277.660105,3564937.243849,1],    "boundingVolume": {    "region": [1.886098,0.596841,1.886264,0.597010,0.000000,8.758891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1396754.b3dm"}}}