{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948644,-0.316347,0.000000,0.000000,0.176435,-0.529084,0.830024,0.000000,-0.262025,0.785746,0.560309,0.000000,-1672990.975631,5016870.792843,3553538.563222,1],    "boundingVolume": {    "region": [1.892625,0.594647,1.892721,0.594870,0.000000,8.819805]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1216068.b3dm"}}}