{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896325,-0.443398,0.000000,0.000000,0.283716,-0.573530,0.768485,0.000000,-0.339805,0.686913,0.642404,0.000000,-2170323.914856,4387288.594875,4075546.698859,1],    "boundingVolume": {    "region": [2.030116,0.697572,2.030249,0.697691,0.000000,46.269899]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_539712.b3dm"}}}