{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949014,-0.315234,0.000000,0.000000,0.175941,-0.529673,0.829754,0.000000,-0.261017,0.785795,0.560711,0.000000,-1666557.980860,5017188.036276,3556095.312901,1],    "boundingVolume": {    "region": [1.891452,0.595149,1.891547,0.595340,0.000000,8.758130]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/30_1073321.b3dm"}}}