{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949945,-0.312417,0.000000,0.000000,0.174481,-0.530534,0.829512,0.000000,-0.258609,0.786334,0.561071,0.000000,-1651182.055534,5020638.788371,3558381.587640,1],    "boundingVolume": {    "region": [1.888451,0.595613,1.888614,0.595744,0.000000,8.732640]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/15_1433295.b3dm"}}}