{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949628,-0.313381,0.000000,0.000000,0.175163,-0.530790,0.829204,0.000000,-0.259310,0.785777,0.561527,0.000000,-1655660.403057,5017091.648743,3561282.963811,1],    "boundingVolume": {    "region": [1.889498,0.596190,1.889597,0.596271,0.000000,12.457991]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/12_1443639.b3dm"}}}