{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899147,-0.437647,0.000000,0.000000,0.282733,-0.580877,0.763311,0.000000,-0.333122,0.684400,0.648557,0.000000,-2127692.922368,4371355.309407,4114693.519777,1],    "boundingVolume": {    "region": [2.023693,0.705628,2.023859,0.705747,0.000000,42.261324]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/9_1828518.b3dm"}}}