{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949535,-0.313661,0.000000,0.000000,0.175050,-0.529922,0.829783,0.000000,-0.259725,0.786254,0.560667,0.000000,-1658304.294799,5020120.329580,3555817.379072,1],    "boundingVolume": {    "region": [1.889762,0.595059,1.889924,0.595324,0.000000,8.804776]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1369512.b3dm"}}}