{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898891,-0.438172,0.000000,0.000000,0.282968,-0.580497,0.763513,0.000000,-0.333611,0.684388,0.648319,0.000000,-2130814.541934,4371273.350773,4113175.178613,1],    "boundingVolume": {    "region": [2.024278,0.705315,2.024443,0.705434,0.000000,22.408144]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1843690.b3dm"}}}