{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948818,-0.315822,0.000000,0.000000,0.176308,-0.529680,0.829671,0.000000,-0.261478,0.785554,0.560834,0.000000,-1669501.742183,5015651.630067,3556876.492088,1],    "boundingVolume": {    "region": [1.892071,0.595281,1.892167,0.595504,0.000000,8.792748]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1180410.b3dm"}}}