{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896324,-0.443400,0.000000,0.000000,0.283704,-0.573501,0.768511,0.000000,-0.339818,0.686935,0.642373,0.000000,-2170406.852914,4387431.149566,4075350.388523,1],    "boundingVolume": {    "region": [2.030118,0.697532,2.030251,0.697651,0.000000,46.269899]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_539955.b3dm"}}}