{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896439,-0.443168,0.000000,0.000000,0.283559,-0.573583,0.768503,0.000000,-0.339637,0.687017,0.642382,0.000000,-2169247.673901,4387950.552709,4075407.967544,1],    "boundingVolume": {    "region": [2.029841,0.697528,2.030010,0.697678,0.000000,40.201601]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/1_519722.b3dm"}}}