{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949433,-0.313970,0.000000,0.000000,0.175532,-0.530800,0.829120,0.000000,-0.259770,0.785535,0.561653,0.000000,-1658602.583666,5015548.534063,3562082.023371,1],    "boundingVolume": {    "region": [1.890119,0.596342,1.890217,0.596423,0.000000,26.508872]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1409986.b3dm"}}}