{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950022,-0.312184,0.000000,0.000000,0.174723,-0.531707,0.828710,0.000000,-0.258163,0.785630,0.562261,0.000000,-1648346.617053,5016164.755579,3565946.842136,1],    "boundingVolume": {    "region": [1.888218,0.597013,1.888356,0.597222,0.000000,8.301241]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/6_1331859.b3dm"}}}