{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950458,-0.310854,0.000000,0.000000,0.114380,-0.349726,0.929843,0.000000,-0.288781,0.882969,0.370096,0.000000,-1842731.157973,5634280.248034,2345799.145675,1],    "boundingVolume": {    "region": [1.886813,0.379074,1.886962,0.379152,0.000000,25.060780]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/15_4388.b3dm"}}}