{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899165,-0.437610,0.000000,0.000000,0.282697,-0.580864,0.763334,0.000000,-0.333104,0.684435,0.648530,0.000000,-2127579.176859,4371578.279101,4114516.639951,1],    "boundingVolume": {    "region": [2.023652,0.705592,2.023817,0.705711,0.000000,28.671816]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/9_1828388.b3dm"}}}