{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950874,-0.309578,0.000000,0.000000,0.173124,-0.531752,0.829016,0.000000,-0.256104,0.786628,0.561807,0.000000,-1635194.804131,5022531.264260,3563058.898190,1],    "boundingVolume": {    "region": [1.885463,0.596484,1.885628,0.596653,0.000000,8.723724]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1386446.b3dm"}}}