{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949429,-0.313980,0.000000,0.000000,0.175532,-0.530783,0.829131,0.000000,-0.259782,0.785542,0.561637,0.000000,-1658679.469290,5015595.720503,3561980.464856,1],    "boundingVolume": {    "region": [1.890130,0.596322,1.890228,0.596404,0.000000,11.087442]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1409250.b3dm"}}}