{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896322,-0.443404,0.000000,0.000000,0.283702,-0.573491,0.768519,0.000000,-0.339825,0.686942,0.642363,0.000000,-2170449.311581,4387471.617497,4075284.651545,1],    "boundingVolume": {    "region": [2.030122,0.697518,2.030255,0.697637,0.000000,46.269899]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_540072.b3dm"}}}