{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858542,-0.512743,0.000000,0.000000,0.262442,-0.439436,0.859081,0.000000,-0.439709,0.736254,0.514379,0.000000,-2807011.999804,4700094.022814,3261706.869537,1],    "boundingVolume": {    "region": [2.109090,0.540221,2.109255,0.540346,0.000000,16.841433]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_246926.b3dm"}}}