{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896557,-0.442928,0.000000,0.000000,0.283373,-0.573592,0.768565,0.000000,-0.339480,0.687163,0.642308,0.000000,-2168248.119036,4388886.435806,4074935.280210,1],    "boundingVolume": {    "region": [2.029573,0.697431,2.029742,0.697581,0.000000,51.622141]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_503094.b3dm"}}}