{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949871,-0.312642,0.000000,0.000000,0.174758,-0.530951,0.829186,0.000000,-0.258693,0.785961,0.561554,0.000000,-1651722.723205,5018267.842450,3561453.084226,1],    "boundingVolume": {    "region": [1.888684,0.596160,1.888856,0.596365,0.000000,24.885976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1439447.b3dm"}}}