{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950587,-0.310459,0.000000,0.000000,0.173637,-0.531656,0.828971,0.000000,-0.256819,0.786347,0.561874,0.000000,-1639757.359179,5020737.926991,3563486.633559,1],    "boundingVolume": {    "region": [1.886423,0.596600,1.886521,0.596699,0.000000,11.488583]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1328436.b3dm"}}}