{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858510,-0.512797,0.000000,0.000000,0.262371,-0.439254,0.859196,0.000000,-0.439815,0.736326,0.514185,0.000000,-2807686.676939,4700550.109165,3260476.981933,1],    "boundingVolume": {    "region": [2.109154,0.539995,2.109318,0.540120,0.000000,82.438233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/4_221213.b3dm"}}}