{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949151,-0.314823,0.000000,0.000000,0.115875,-0.349349,0.929800,0.000000,-0.292454,0.881713,0.370206,0.000000,-1866169.453659,5626267.883061,2346496.302446,1],    "boundingVolume": {    "region": [1.891012,0.379173,1.891120,0.379289,0.000000,23.284792]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/15_6631.b3dm"}}}