{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949470,-0.313858,0.000000,0.000000,0.175476,-0.530841,0.829106,0.000000,-0.259673,0.785552,0.561674,0.000000,-1657983.415824,5015658.163571,3562215.007998,1],    "boundingVolume": {    "region": [1.890001,0.596367,1.890100,0.596449,0.000000,19.594049]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1410859.b3dm"}}}