{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950051,-0.312095,0.000000,0.000000,0.174259,-0.530463,0.829604,0.000000,-0.258371,0.786510,0.560934,0.000000,-1649665.855222,5021757.237309,3557512.340063,1],    "boundingVolume": {    "region": [1.888112,0.595448,1.888276,0.595579,0.000000,8.648772]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1354808.b3dm"}}}