{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895978,-0.444097,0.000000,0.000000,0.287546,-0.580133,0.762078,0.000000,-0.337482,0.680878,0.650009,0.000000,-2155554.154012,4348888.095132,4123926.905735,1],    "boundingVolume": {    "region": [2.030904,0.707553,2.031022,0.707639,0.000000,9.959777]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/9/15_1799518.b3dm"}}}