{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949257,-0.314501,0.000000,0.000000,0.175887,-0.530879,0.828994,0.000000,-0.260169,0.785270,0.561839,0.000000,-1661152.529862,5013858.078229,3563265.438349,1],    "boundingVolume": {    "region": [1.890676,0.596597,1.890777,0.596618,0.000000,18.185274]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/9_1419941.b3dm"}}}