{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858536,-0.512753,0.000000,0.000000,0.262423,-0.439391,0.859110,0.000000,-0.439733,0.736274,0.514330,0.000000,-2807166.263158,4700219.496435,3261395.382830,1],    "boundingVolume": {    "region": [2.109103,0.540164,2.109267,0.540289,0.000000,16.477633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_242168.b3dm"}}}