{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951518,-0.307592,0.000000,0.000000,0.115364,-0.356871,0.927003,0.000000,-0.284868,0.881222,0.377223,0.000000,-1817793.629642,5623236.133824,2391013.167844,1],    "boundingVolume": {    "region": [1.883451,0.386785,1.883464,0.386807,0.000000,6.741312]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/9/15.b3dm"}}}