{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896320,-0.443408,0.000000,0.000000,0.283815,-0.573713,0.768312,0.000000,-0.339735,0.686753,0.642612,0.000000,-2169880.758197,4386272.515662,4076867.224279,1],    "boundingVolume": {    "region": [2.030127,0.697843,2.030260,0.697962,0.000000,49.655558]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_540139.b3dm"}}}