{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895908,-0.444241,0.000000,0.000000,0.283825,-0.572395,0.769290,0.000000,-0.340810,0.687318,0.641437,0.000000,-2176735.457468,4389859.285759,4069396.003477,1],    "boundingVolume": {    "region": [2.031068,0.696317,2.031177,0.696424,0.000000,46.648378]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_618928.b3dm"}}}