{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858679,-0.512514,0.000000,0.000000,0.262373,-0.439585,0.859026,0.000000,-0.439485,0.736323,0.514472,0.000000,-2805580.934866,4700537.555343,3262294.950614,1],    "boundingVolume": {    "region": [2.108824,0.540329,2.108989,0.540454,0.000000,24.030966]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/7_252734.b3dm"}}}