{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949987,-0.312289,0.000000,0.000000,0.174481,-0.530775,0.829358,0.000000,-0.258454,0.786222,0.561299,0.000000,-1650196.637613,5019925.896467,3559834.392576,1],    "boundingVolume": {    "region": [1.888312,0.595852,1.888483,0.596058,0.000000,18.488243]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1434264.b3dm"}}}