{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898305,-0.439373,0.000000,0.000000,0.284387,-0.581435,0.762271,0.000000,-0.333976,0.682820,0.649782,0.000000,-2133164.087751,4361289.717325,4122481.992493,1],    "boundingVolume": {    "region": [2.025644,0.707261,2.025750,0.707333,0.000000,6.471360]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/5_1805214.b3dm"}}}