{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898352,-0.439276,0.000000,0.000000,0.284118,-0.581042,0.762671,0.000000,-0.334080,0.683217,0.649311,0.000000,-2133819.918392,4363817.186202,4119487.017152,1],    "boundingVolume": {    "region": [2.025539,0.706641,2.025640,0.706715,0.000000,17.223610]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_1819673.b3dm"}}}