{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948837,-0.315766,0.000000,0.000000,0.176322,-0.529826,0.829575,0.000000,-0.261401,0.785477,0.560977,0.000000,-1669010.072062,5015167.992383,3557782.967530,1],    "boundingVolume": {    "region": [1.892012,0.595454,1.892108,0.595677,0.000000,8.815559]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/15_1181722.b3dm"}}}