{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949631,-0.313371,0.000000,0.000000,0.175159,-0.530796,0.829201,0.000000,-0.259301,0.785776,0.561532,0.000000,-1655603.937395,5017087.428009,3561314.945000,1],    "boundingVolume": {    "region": [1.889488,0.596196,1.889587,0.596277,0.000000,12.457991]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/12_1443715.b3dm"}}}