{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858538,-0.512750,0.000000,0.000000,0.262421,-0.439392,0.859110,0.000000,-0.439731,0.736275,0.514330,0.000000,-2807148.699286,4700229.299182,3261396.366404,1],    "boundingVolume": {    "region": [2.109099,0.540164,2.109264,0.540289,0.000000,16.477633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_242177.b3dm"}}}