{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898201,-0.439585,0.000000,0.000000,0.283791,-0.579870,0.763684,0.000000,-0.334762,0.684017,0.648117,0.000000,-2138163.749234,4368899.957937,4111891.470817,1],    "boundingVolume": {    "region": [2.025866,0.704998,2.025999,0.705221,0.000000,7.804799]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1844522.b3dm"}}}