{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852794,-0.522248,0.000000,0.000000,0.269529,-0.440122,0.856532,0.000000,-0.446518,0.729133,0.518639,0.000000,-2850523.543440,4654701.147695,3288770.268862,1],    "boundingVolume": {    "region": [2.120192,0.545174,2.120370,0.545344,0.000000,105.786100]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/1/0/1_21658.b3dm"}}}