{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950550,-0.310572,0.000000,0.000000,0.114321,-0.349894,0.929788,0.000000,-0.288502,0.883001,0.370238,0.000000,-1840950.813721,5634484.677395,2346699.747700,1],    "boundingVolume": {    "region": [1.886587,0.379262,1.886596,0.379269,0.000000,6.535031]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/17.b3dm"}}}